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Best Gage Blocks - Buying Guide

Last Updated: 01/16/2020

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  #1

HFS Ultra Precision 1-2-3" Blocks 2pcs/pair , 0.0001" (Plastic Case)

 PartNumber: 10288   |   Asin: B00OVBB5F8

Product description Size within +/- .0001" Flatness and parallelism within .0001" Accuracy and squareness on all sides within .0001"-.0002" Pairs are matched to a tolerance of 0.0002" Product application Used for set-up. layout and inspection jobs Product features Has 23 holes with 5 holes tap to 3/8-16 threads for clamping and 18 untapped holes Made of hardened tool steel and precision ground on all six sides Cross drilling design allows efficient use of lower weight with maximum strength Heat treat and hardness 56 to 60 RC 2 pieces per set Weight: 2.1 Lbs

Features

  • Size within +/- .0001"
  • Flatness and parallelism within .0001
  • Squareness on all sides is 0.0003 per inch
  • Pairs are matched to a tolerance of 0.0001
  • Used for set-up, layout and inspection jobs
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Brand: HardwareFactoryStore.com   |   Manufacturer: HardwareFactoryStore.com

Package Dimensions: 2.4 x 7.5 x 8.8 inches (6.1 x 19.1 x 22.4 cm)

Amazon Price: $28.99 | as of 01/16/2020(12:23pm pst)
Availibility: Usually ships in 24 hours
List Price: $28.99

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  #2

Accusize Industrial Tools 81 Pcs Steel Gauge Block Set, Grade B, P900-S581

Model: P900-S581   |    Mpn: P900-S581   |    Ean: 0641799809650   |    PartNumber: P900-S581   |   Asin: B00HNU3JDU

Manufactured under carefully controlled conditions allowing for the highest degree of accuracy when used at a temperature of 68 degrees F ( 20 degree C)

Features

  • 81 pc Grade B Steel Gage Block Set with MFG'S certificate
  • Manufactured under carefully controlled conditions allowing for the highest degrees of accuracy when used at a temperature of 68 degrees F. (20 C).
  • All gage block sets are assigned serial numbers and accompanied with a certificate of inspection listing the deviation for each block
  • Each gage block set meets or exceeds federal specification ASME B89.1.9-2002.
  • Hardened to HRC 64 / All gage block sets are made to special standard to resist corrosion and defacement
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Brand: Accusize Industrial Tools   |   Manufacturer: Accusize Co., Ltd.

Item Dimensions: 8.66 x 2.76 x 13.39 inches (22.0 x 7.0 x 34.0 cm)   |   Package Dimensions: 2.36 x 8.27 x 13.86 inches (6.0 x 21.0 x 35.2 cm)

Amazon Price: $106.00 | as of 01/16/2020(12:23pm pst)
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List Price: $106.00

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  #3

81 Pc Rectangular Steel Gage Block Set Grade B Space Block Harden Gauges .000005

 Ean: 5005866494685   |    PartNumber: 0   |   Asin: B00GYF0UNM

Excellent Finish and Wringing Characteristics Guaranteed Accuracy of Flatness, Squareness, and Parallelism The interior separator is made out of plastic, therefore it will guarantee the gage blocks won't get wet or rusty.

Features

  • 9 Blocks -- .1001" thru .1009" step of .0001"; Wooden case INCLUDED
  • 49 Blocks -- .101 thru .149 step of .001; Wooden case dimension: 7-1/2''L x 12''W x 2''H
  • 19 Blocks -- .050 thru .950 step of .050; Weight: 5.65 lbs
  • 4 Blocks -- 1.000 thru 4.000 step of 1.000
  • Grade B Shop Accuracy to +/- 0.0000050 (1 & Less)
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Brand: Pavlysh   |   Manufacturer: Generic

Amazon Price: $94.99 | as of 01/16/2020(12:23pm pst)
Availibility: Usually ships in 24 hours
List Price: $94.99

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  #4

WEN 10412 12-Piece Steel Angle Gauge Block Set with Case

Model: 10412   |    Mpn: 10412   |    Ean: 0044459104124   |    PartNumber: 10412   |   Asin: B07MLT9CCZ

Remember when you had maximum precision? The WEN 12-Piece Angular Gage Block Set provides maximum accuracy and reliability all in the palm of your hand. Each steel block has been machined exactly to its claimed dimensions, making these the perfect tools for the calibration of measuring equipment and more. Each individual set includes a 1/4-degree block, a 1/2-degree block, a 1-degree block, a 2-degree block, a 3-degree block, a 4-degree block, a 5-degree block, a 10-degree block, a 15-degree block, a 20-degree block, a 25-degree block, and a 30 degree block, all of which stay organized in the easy-to-store carrying case. Remember when you could measure any angle? Remember WEN.

Features

  • Perfect for machinists and metalworkers; measure angles with maximum precision
  • Workshop-grade set features 12 individual steel blocks of various angles
  • Includes 1/4, 1/2, 1, 2, 3, 4, 5, 10, 15, 20, 25, and 30-degree hardened-steel blocks
  • Perfect for setting milling angles or calibrating measuring equipment
  • Hard-shelled carrying case keeps the blocks organized and protected from contaminants
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Brand: WEN   |   Manufacturer: WEN

Item Dimensions: 1.13 x 4.63 x 13.38 inches (2.9 x 11.8 x 34.0 cm)   |   Package Dimensions: 2.68 x 6.34 x 15.08 inches (6.8 x 16.1 x 38.3 cm)

Amazon Price: $48.39 | as of 01/16/2020(12:23pm pst)
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List Price: $49.38

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  #5

Mitutoyo Steel Rectangular Gage Block, ASME Grade AS-1, 1.0" Length (Renewed)

 Ean: 0760575608734   |    PartNumber: 611201-541-cr   |   Asin: B07YBLMBQK

Features

  • Grade AS-1 gage block supplied with a Mitutoyo certificate of inspection that the block meets American Society of Mechanical Engineers (ASME) B89.1.9-2002 standard for flatness, length, parallelism, and surface finish
  • High-carbon, high-chrome steel provides high hardness and wear-resistance
  • Rectangular base for accurate wringing
  • Nominal length (in inches) indicated with laser-etched, black characters
  • Identification number etched in block for traceability
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Brand: Mitutoyo   |   Manufacturer: Mitutoyo

Item Dimensions: 3.1 x 0.8 x 2.1 inches (7.9 x 2.0 x 5.3 cm)   |   Package Dimensions: 0.7 x 2.1 x 3 inches (1.8 x 5.3 x 7.6 cm)

Amazon Price: $22.04 | as of 01/16/2020(12:23pm pst)
Availibility: Usually ships in 24 hours
List Price: $22.04

Warranty: 90 days limited warranty

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  #6

HHIP 3900-3004 4 Pair Precision Parallel Set, 3/16" Size, Steel

Model: 3900-3004   |    Mpn: 3900-3004   |    Ean: 0769053022789   |    PartNumber: 3900-3004   |   Asin: B01LW3Z71E

HHIP Precision parallel set includes 3/16" x 1" x 6", 3/16" x 1-1/4" x 6", 3/16" x 1-1/2" x 6", 3/16" x 1-3/4" x 6" size. Made from fine qualify tool steel stress relieved against distortion, precision ground and hardened. These precision parallels are recommended for layout work, standards and set up. The holes are designed for easier handling and set ups. Hardness: case hardened RC 55 to 62 on 2 sides, top and bottom only. Complete with fitted durable plastic case. Tolerance: Parallel To 0.0003 on 2 sides, top and bottom. Dimensions: within 0.001" allowance.

Features

  • Made from fine qualify tool steel stress relieved against distortion, precision ground and hardened
  • These precision parallels are recommended for layout work, standards and set up
  • The holes are designed for easier handling and set ups
  • Hardness: case hardened RC 55 to 62 on 2 sides, top and bottom only
  • Complete with fitted durable plastic case
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Brand: HHIP   |   Manufacturer: ABS Import Tools, Inc.

Item Dimensions: 4 x 8 x 4 inches (10.2 x 20.3 x 10.2 cm)   |   Package Dimensions: 2.32 x 7.2 x 8.58 inches (5.9 x 18.3 x 21.8 cm)

First Available: 2017-05-15

Amazon Price: $54.79 | as of 01/16/2020(12:23pm pst)
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List Price: $54.79

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  #7

HFS (R) 36 PCS Grade B GAGE Gauge Block Set ; NIST TRACEABLE Certificate

 Ean: 0688949761918   |    PartNumber: BLOCK-36   |   Asin: B017QOZRY6

Product features Set made of fully seasoned alloy tool steel with hardened to 65 RC to provide both long wear and resistance to stains and rust Blocks manufactured under carefully controlled conditions, allowing for the highest degree of accuracy when used at room temperatures of 68 degrees F (20 degrees C) All gage block sets are certified by an accredited ISO-17025 Gage lab with long form certification Individual serial numbers on each block, regardless of grade A complete certificate of calibration traceable to the N.I.S.T. showing the deviation of each block. All sets meet or exceed Fed. Spec. ASME B89.1.9-2002 Grade : Economy Sets calibrated to meet or exceed federal specification GGG-G-15C, Grade : B Surface finish 4.1 millions. All calibration conforms to:MIL-STD 45662A, GGG-G-15C, ISO/IEC 17025 Accredited, ISO 9000, 10012-1, ANSI-NCSL Z540-1, ISO GUIDE 25 Certified Mirror polished surfaces provide superior wringing characteristics Guaranteed Accuracy of Flatness, and Parallelism Excellent Finish and Wringing Characteristics The interior separator is made out of plastic, therefore it will guarantee the gage blocks won't get wet or rusty All sets are supplied in deluxe fitted wood case The inspection certificate specifies the deviation of each individual block from its nominal length. Gage blocks are commonly used to calibrate fixtures and precision instruments in workshop, inspection, and dimensional metrology applications, to inspect tools such as mounting tools, cutters, fixtures, and mechanical parts, and in the gage manufacturing process itself. Grade B gage blocks are commonly used in workshops for calibrating and inspecting mounting tools and cutters

Features

  • 9 blocks: .1001-.1009" in .0001" steps ; 9 Blocks: .101-.149" in .001" Steps ; 9 Blocks: .110-.190" in .010 steps
  • 4 Blocks -- .200, .300, .400, .500 ; 3 Blocks -- 1.000, 2.000, 4.000 ; 2 Blocks -- .050, .100
  • Accuracy: Economy= Grade B : +/- 0.000050
  • 36 pieces each package
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Brand: HFS   |   Manufacturer: HFS

Package Dimensions: 2.3 x 6 x 8.1 inches (5.8 x 15.2 x 20.6 cm)

Amazon Price: $69.99 | as of 01/16/2020(12:23pm pst)
Availibility: Usually ships in 24 hours
List Price: $69.99

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  #8

Mitutoyo Steel Square Gage Block, ASME Grade AS-1, 1.26 mm Length

Model: 614586-541   |    Mpn: 614586-541   |    Ean: 4946368486505   |    PartNumber: 614586-541   |   Asin: B003U9WZM4

The Mitutoyo grade AS-1 square gage block is made of steel, has its nominal length engraved in metric [millimeter (mm)] units, and is supplied with a Mitutoyo inspection certificate that states that the block meets American Society of Mechanical Engineers (ASME) B89.1.9-2002 grade standard for flatness, length, parallelism, and surface finish. The inspection certificate specifies the deviation of the individual block from its nominal length. Gage blocks are commonly used to calibrate fixtures and precision instruments in workshop, inspection, and dimensional metrology applications, to inspect tools such as mounting tools, cutters, fixtures, and mechanical parts, and in the gage manufacturing process itself.

The grade AS-1 gage block is commonly used for workshop and inspection applications to calibrate fixtures and precision instruments, to inspect a variety of tools such as mounting tools, cutters, fixtures, and mechanical parts, and for manufacturing gage applications. It is made of high-carbon, high-chrome steel which has a high hardness for minimum deterioration, and is selected for its wear-resistance. This gage block has a square base for accurate wringing, to attain a height reference standard, and for the ability to make a dedicated inspection jig. Nominal length is measured in metric [millimeter (mm)] units, and is indicated on the block with laser-etched, black characters. The length of a gage block is usually slightly shorter than its stamped nominal length, to account for the thin layer of oil or wring film used when two or more blocks are wrung together. An identification number is laser-etched on the block for traceability. The block has a depth of 24.1 millimeters. It comes in a carrying case with a padded, formed interior.

This gage block is supplied with a Mitutoyo inspection certificate [National Institute of Standards in Engineering (NIST)-traceable] that the block meets ASME B89.1.9-2002 standard for flatness, length, parallelism, and surface finish.

Gage blocks (also called gauge blocks, Hoke blocks, Jo blocks, slip gages, and Johansson gages) are blocks used to calibrate measuring equipment and to standardize the measurement of length in manufacturing industries. They are commonly made of precision-ground steel, ceramic, or carbide material, and have a square or rectangular base. Each block has a unique identification number. Length is in inch or millimeter measurement. They can be sold individually, and are also sold in sets with blocks of varying lengths. Gage blocks can be wrung together to create a required length. Wringing is the process of lapping blocks together with a small amount of oil. They are standardized by grade, which refers to the tolerance or deviation of an individual block from its nominal length. Gage block grades are defined for flatness, length, parallelism, and surface finish. Some grades of gage blocks meet standards such as ASME, Association for Iron and Steel (AIST), and International Organization for Standards (ISO). Application and required level of accuracy dictate which grade of gage block should be used. Some manufacturers provide an internally-generated certificate of inspection to verify that a gage block meets grade standards. Gage blocks can also go through a calibration certification process to verify measurement accuracy. Calibration is performed by an accredited facility. Gage blocks are commonly recalibrated after use to ensure dimensional accuracy. If a gage block does not meet calibration standards, it should no longer be used. Both a certificate of inspection and a calibration certificate specify the deviation from the nominal length.

Mitutoyo manufactures precision measuring tools, metrology equipment, and systems. The company was founded in Tokyo in 1934 and formed Mitutoyo America Corporation in 1963, which is headquartered in Aurora, IL.

Features

  • Grade AS-1 gage block supplied with a Mitutoyo certificate of inspection that the block meets American Society of Mechanical Engineers (ASME) B89.1.9-2002 standard for flatness, length, parallelism, and surface finish
  • High-carbon, high-chrome steel provides high hardness and wear-resistance
  • Square base for accurate wringing, to attain a height reference standard, and to make a dedicated inspection jig
  • Nominal length in metric [millimeter (mm)] units indicated with laser-etched, black characters
  • Identification number etched in block for traceability
  • See more on Amazon...

Brand: Mitutoyo   |   Manufacturer: Mitutoyo

Package Dimensions: 0.7 x 2.1 x 3.1 inches (1.8 x 5.3 x 7.9 cm)

Amazon Price: $73.55 | as of 01/16/2020(12:23pm pst)
Availibility: Usually ships in 3-5 weeks
List Price: $73.55

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  #9

Mitutoyo Steel Square Gage Block, ASME Grade AS-1, 1.24 mm Length

Model: 614584-541   |    Mpn: 614584-541   |    Ean: 4946368486420   |    PartNumber: 614584-541   |   Asin: B003U9WZK6

The Mitutoyo grade AS-1 square gage block is made of steel, has its nominal length engraved in metric [millimeter (mm)] units, and is supplied with a Mitutoyo inspection certificate that states that the block meets American Society of Mechanical Engineers (ASME) B89.1.9-2002 grade standard for flatness, length, parallelism, and surface finish. The inspection certificate specifies the deviation of the individual block from its nominal length. Gage blocks are commonly used to calibrate fixtures and precision instruments in workshop, inspection, and dimensional metrology applications, to inspect tools such as mounting tools, cutters, fixtures, and mechanical parts, and in the gage manufacturing process itself.

The grade AS-1 gage block is commonly used for workshop and inspection applications to calibrate fixtures and precision instruments, to inspect a variety of tools such as mounting tools, cutters, fixtures, and mechanical parts, and for manufacturing gage applications. It is made of high-carbon, high-chrome steel which has a high hardness for minimum deterioration, and is selected for its wear-resistance. This gage block has a square base for accurate wringing, to attain a height reference standard, and for the ability to make a dedicated inspection jig. Nominal length is measured in metric [millimeter (mm)] units, and is indicated on the block with laser-etched, black characters. The length of a gage block is usually slightly shorter than its stamped nominal length, to account for the thin layer of oil or wring film used when two or more blocks are wrung together. An identification number is laser-etched on the block for traceability. The block has a depth of 24.1 millimeters. It comes in a carrying case with a padded, formed interior.

This gage block is supplied with a Mitutoyo inspection certificate [National Institute of Standards in Engineering (NIST)-traceable] that the block meets ASME B89.1.9-2002 standard for flatness, length, parallelism, and surface finish.

Gage blocks (also called gauge blocks, Hoke blocks, Jo blocks, slip gages, and Johansson gages) are blocks used to calibrate measuring equipment and to standardize the measurement of length in manufacturing industries. They are commonly made of precision-ground steel, ceramic, or carbide material, and have a square or rectangular base. Each block has a unique identification number. Length is in inch or millimeter measurement. They can be sold individually, and are also sold in sets with blocks of varying lengths. Gage blocks can be wrung together to create a required length. Wringing is the process of lapping blocks together with a small amount of oil. They are standardized by grade, which refers to the tolerance or deviation of an individual block from its nominal length. Gage block grades are defined for flatness, length, parallelism, and surface finish. Some grades of gage blocks meet standards such as ASME, Association for Iron and Steel (AIST), and International Organization for Standards (ISO). Application and required level of accuracy dictate which grade of gage block should be used. Some manufacturers provide an internally-generated certificate of inspection to verify that a gage block meets grade standards. Gage blocks can also go through a calibration certification process to verify measurement accuracy. Calibration is performed by an accredited facility. Gage blocks are commonly recalibrated after use to ensure dimensional accuracy. If a gage block does not meet calibration standards, it should no longer be used. Both a certificate of inspection and a calibration certificate specify the deviation from the nominal length.

Mitutoyo manufactures precision measuring tools, metrology equipment, and systems. The company was founded in Tokyo in 1934 and formed Mitutoyo America Corporation in 1963, which is headquartered in Aurora, IL.

Features

  • Grade AS-1 gage block supplied with a Mitutoyo certificate of inspection that the block meets American Society of Mechanical Engineers (ASME) B89.1.9-2002 standard for flatness, length, parallelism, and surface finish
  • High-carbon, high-chrome steel provides high hardness and wear-resistance
  • Square base for accurate wringing, to attain a height reference standard, and to make a dedicated inspection jig
  • Nominal length in metric [millimeter (mm)] units indicated with laser-etched, black characters
  • Identification number etched in block for traceability
  • See more on Amazon...

Brand: Mitutoyo   |   Manufacturer: Mitutoyo

Package Dimensions: 0.7 x 2.1 x 3.2 inches (1.8 x 5.3 x 8.1 cm)

Amazon Price: $73.55 | as of 01/16/2020(12:23pm pst)
Availibility: Usually ships in 3-5 weeks
List Price: $73.55

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  #10

6 PC 3/8" - 2-1/4" Adjustable Parallel Set Precision Parallel Measurement

 Ean: 0844699010069   |    PartNumber: 1Z-S59M-EC8S   |   Asin: B00D5EI0BE

Height range: 3/8" to 1/2", 1/2" to 11/16", 11/16" to 15/16", 15/16" to 1-5/16", 1-5/16" to 1-3/4", 1-3/4" to 2-1/4"

Features

  • 6pcs Adjustable parallel sets
  • Minimum Measuring Range (Inch): 3/8''; Maximum Measuring Range: 2-1/4''
  • Length range from 1-3/4 to 5 closed.; case INCLUDED
  • Quickly adjustable and locked with screws for micrometer measurement.
  • Quantity: 1 set (6 pieces); Weight: 2.10 lbs (roughly)
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Manufacturer: Generic

Amazon Price: $40.99 | as of 01/16/2020(12:23pm pst)
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List Price: $40.99

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  #11

36 PCS PRECISION GAGE BLOCK SET W. NIST Equivalent certificate,GRADE B, #702-36B

 PartNumber: 702-36B   |   Asin: B07457QSGF

36pcs/set gage block set inch sizes with NIST equivalent certs, deviation micro-inch 0.000001 inch. Include: 2 blocks: 0.05", 0.10" 9 blocks: 0.1001 thru 0.1009" by step 0.0001" 9 blocks: 0.101 thru 0.109" by step 0.001" 9 blocks: 0.110 thru 0.190" by step 0.01" 4 blocks: 0.2, 0.3, 0.4, 0.5" 3 blocks: 1.000, 2.000, 4.000 Fitted in strong and deluxe indexed wooden box

Features

Brand: CME   |   Manufacturer: CME

Amazon Price: $49.00 | as of 01/16/2020(12:23pm pst)
Availibility: Usually ships in 24 hours
List Price: $49.00

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  #12

HFS (R) 81 PCS GRADE B GAGE GAUGE BLOCK SET ; NIST TRACEABLE CERTIFICATE

 Ean: 0688949761925   |    PartNumber: CRESCENT ENTERPRISES-975   |   Asin: B00VQUYVC6

Set made of fully seasoned alloy tool steel with hardened to 65 RC to provide both long wear and resistance to stains and rust.
Blocks manufactured under carefully controlled conditions, allowing for the highest degree of accuracy when used at room temperatures of 68 degrees F (20 degrees C)
All gage block sets are certified by an accredited ISO-17025 Gage lab with long form certification Individual serial numbers on each block, regardless of grade
A complete certificate of calibration traceable to the N.I.S.T. showing the deviation of each block.
All sets meet or exceed Fed. Spec. ASME B89.1.9-2002 Grade : Economy Sets calibrated to meet or exceed federal specification GGG-G-15C, Grade : B Surface finish 4.1 millions.
All calibration conforms to:MIL-STD 45662A, GGG-G-15C, ISO/IEC 17025 Accredited, ISO 9000, 10012-1, ANSI-NCSL Z540-1, ISO GUIDE 25 Certified
Mirror polished surfaces provide superior wringing characteristics
Guaranteed Accuracy of Flatness, and Parallelism
Excellent Finish and Wringing Characteristics
The interior separator is made out of plastic, therefore it will guarantee the gage blocks won't get wet or rusty
All sets are supplied in deluxe fitted wood case
The inspection certificate specifies the deviation of each individual block from its nominal length. Gage blocks are commonly used to calibrate fixtures and precision instruments in workshop, inspection, and dimensional metrology applications, to inspect tools such as mounting tools, cutters, fixtures, and mechanical parts, and in the gage manufacturing process itself. Grade B gage blocks are commonly used in workshops for calibrating and inspecting mounting tools and cutters

Features

  • 9 blocks: .1001-.1009" in .0001" steps
  • 49 Blocks: .101-.149 in .001 Steps
  • 19 Blocks: .050-.950 in .050 steps
  • 4 Blocks: 1-4 in 1 steps
  • Accuracy: Economy=Grade B : +/- 0.000050 Master Number: 21041.2
  • See more on Amazon...

Brand: HFS   |   Manufacturer: HFS

Package Dimensions: 2.4 x 8.1 x 11.9 inches (6.1 x 20.6 x 30.2 cm)

Amazon Price: $95.99 | as of 01/16/2020(12:23pm pst)
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List Price: $95.99

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  #13

Mitutoyo Steel Rectangular Micrometer Inspection Gage Block Set, ASME Grade AS-1, 0.0625 - 2.0" Length (9 Blocks)

Model: 516-935-26   |    Mpn: 516-935-26   |    Ean: 0603908370901   |    PartNumber: 516-935-26   |   Asin: B002SG7QSS

The Mitutoyo 516-935-26 gage block set includes 9 grade AS-1 steel rectangular gage blocks with nominal size engraved in inches.

Blocks included in the set measure .0625", .100", .125", .200", .250", .300", .500", 1", and 2". Grade AS-1 gage blocks are often used for calibrating and inspecting tools, instruments, and manufacturing gages.

Gage blocks (also called gauge blocks, Jo blocks, slip gauges, and Johansson gauges) are precision ground metal or ceramic blocks, used for calibrating measuring equipment and standardizing the measurement of length in manufacturing. Gauge blocks are square or rectangular in shape, with flat surfaces, and have an engraved unique identification number and length (provided in either inches or millimeters). They often come in sets with blocks of varying lengths, so that many different standard lengths can be created by stacking and wringing them. Wringing is the process of sliding blocks together with a small amount of oil, in order to create a longer surface.

The length of a gage block is usually slightly shorter than its stamped nominal length, to account for the thin layer of oil or wring film used when two or more blocks are wrung together. They are kept within a protective case, cleaned thoroughly between uses to prevent corrosion, and kept free of burrs and other damage that would decrease their accuracy. Temperature is another important consideration. Some gage blocks are vulnerable to thermal expansions and must be kept at room temperature (about 68 degrees F) to ensure their accuracy.

Gauge blocks are available in different grades, which refer to their tolerance or deviation from their nominal dimension. Grades are defined by the American National Standard for gauge blocks, the American Society of Mechanical Engineers (ASME) B89.1.9M for both length and flatness. Different grades are appropriate depending on the application and the required level of accuracy. ASME B89.1.9M also defines standards for parallelism and surface finish. A certificate of inspection and calibration is provided with each gauge block or set, specifying the deviation of the individual block from its nominal length.

Founded in Tokyo in 1934, Mitutoyo is a leader in the metrology field, producing high-quality measurement products including mechanical, dimensional gauging products, focusing on micrometers, calipers, indicators, and other measurement tools, as well as output gauges, interfaces, data collectors, and analysis software. Mitutoyo formed Mitutoyo America Corporation in 1963, which is headquartered in Aurora, Illinois, with additional locations in the U.S. and Canada.

Features

  • Can be used for checking spindle wear on outer diameter (OD) micrometers
  • Sized to check different degrees of spindle rotation
  • Steel blocks are made from high-carbon, high-chrome steel to reduce wear and corrosion
  • Thermally stabilized to reduce changes in gage block length over time
  • Laser-etched with individual serial number for traceability
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Brand: Mitutoyo   |   Manufacturer: Mitutoyo

Package Dimensions: 1.7 x 5.1 x 9.8 inches (4.3 x 13.0 x 24.9 cm)

Amazon Price: $205.69 | as of 01/16/2020(12:23pm pst)
Availibility: Usually ships in 24 hours
List Price: $249.00

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  #14

4 Pair Steel Parallel Set Hardened Square Precision Gauge Gage 6'' Block Gage

 Ean: 0000410004964   |   Asin: B00KBBZ486

Contents include: -1 Pair 3/16" x 1" with 5/16" Hole -1 Pair 3/16" x 1-1/4" with 3/8" Hole -1 Pair 3/16" x 1-1/2" with 7/16" Hole -1 Pair 3/16" x 1-3/4" with 1/2" Hole

Features

  • 3/16'' x 6'' Parallel Set; All are 6" Long and 3/16" Wide or Thick;Made of High Quality Alloy Steel
  • +/- .0003 in Parallelism;Paired +/- .0003 in Height;
  • holes designed for easier handling and setup;within 0.0001 allowance
  • Storage case INCLUDED;Weight: 3.80lbs (roughly)
  • Quantity: 1 set (4 pair, total of 8 pieces);Case overall dimension: 7''L x 8-1/2''W x 2-1/2''H
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Brand: MH Amazon   |   Manufacturer: Generic

Amazon Price: $31.77 | as of 01/16/2020(12:23pm pst)
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List Price: $31.77

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  #15

WEN 10481 81-Piece Steel Gauge Block Set with Case

Model: 10481   |    Mpn: 10481   |    Ean: 0044459104810   |    PartNumber: 10481   |   Asin: B07HFSS92B

Remember when you had maximum precision? The WEN 81-Piece Rectangular Steel Gage Block Set provides machine accuracy and reliability all in the palm of your hand. Each steel block has been machined exactly to its claimed dimensions, making these the perfect tools for the calibration of measuring equipment and more. Each individual set includes a unique certificate of inspection showing you the idiosyncrasies and deviations (accounted for in millionths of a meter) that may exist within your gauge blocks. Includes the following various sizes: 9 blocks ranging from .1001 to .1009 inches (.0001-inch step), 49 blocks ranging from .101 to .149 inches (.001-inch step), 19 blocks ranging from .05 to .95 inches (.05-inch step), and 4 blocks ranging from 1 to 4 inches (1-inch step).

Features

  • Workshop-grade set features 81 individual steel blocks of various sizes
  • Sizes range from .05 inches all the way up to 4 inches
  • Includes unique certificate of inspection following ASME B89.1.9 standards
  • Calibrate measuring equipment with a tolerance of +0.25 m to -0.15 m
  • Hard-shelled carrying case keeps the blocks organized and protected from contaminants
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Brand: WEN   |   Manufacturer: WEN

Item Dimensions: 1.75 x 6.88 x 10.75 inches (4.4 x 17.5 x 27.3 cm)   |   Package Dimensions: 2.36 x 8.11 x 13.23 inches (6.0 x 20.6 x 33.6 cm)

Amazon Price: $94.49 | as of 01/16/2020(12:23pm pst)
Availibility: Usually ships in 24 hours
List Price: $94.49

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  #16

Hyuduo 1 Pair Precision 1-2-3 Blocks 0.0001''Matched Milling Machinist 23 Holes with Screws Wrench Case

 Ean: 0747333483154   |    PartNumber: Hyuduobdfyg3xq86   |   Asin: B07QCX6KVC

Specification:
Material: Steel
Hole: 23
Weight: 1245g / 43.9oz
Accuracy: 0.0001inch
Application: Milling machine

Package list:
2 * Block
5 * Screw
1 * Wrench

Note:
The actual product color may deviate from the photo due to light.
There may be a slight deviation in the measurement of product.

Features

  • PRODUCT PARAMETER: The hardness and precision ground of this block set is 1" x 2" x 3" and this pair of matched block is ground to tolerances of 0.0001".
  • MAKING MATERIAL: The excellent precision 1-2-3 blocks with screws wrench case are made of hardened steel, hardness HRC 57-62.
  • UNIQUE DESIGN: There have 23 holes on this precision 1-2-3 block and the precision 1-2-3 block is a hexahedron, ground and hardened on all sides.
  • WORK FOR: Machinist precision blocks work for precision while the block can be used for set-up, layout and inspection jobs or all kinds of machine tool.
  • SATISFACTION GUARANTEE: We care for all customer's feeling and if this product can not meet or exceed your expectations, please send it back.
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Brand: Hyuduo   |   Manufacturer: Hyuduo

Item Dimensions: 1.97 x 5.12 x 7.87 inches (5.0 x 13.0 x 20.0 cm)   |   Package Dimensions: 1.73 x 5.2 x 8.03 inches (4.4 x 13.2 x 20.4 cm)

Amazon Price: $37.99 | as of 01/16/2020(12:23pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $37.99

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  #17

Space Blocks

 PartNumber: A1570036   |   Asin: B01GOHLL6Y

Can often take the place of gage blocks. Outside diameter is .750"; inside diameter has " - 28 thread for accurately connecting the individual blocks. 4 threaded connecting studs included. Hardened, ground, and lapped to .0001". Supplied in fitted wooden case. Set consists of the following 36 blocks:

Features

  • 9 Pcs. .101" - .109" by .001"
  • 15 Pcs. .050 - .190 by .010
  • 9 Pcs. .200 - 1.000 by .100
  • 1 Pc. .0625 / 1 Pc. .0625 / 1 Pc. .125
  • 1 extra block 1.000
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Brand: Meda - Superior Import   |   Manufacturer: MEDA - SUPERIOR IMPORT

Amazon Price: $71.35 | as of 01/16/2020(12:23pm pst)
Availibility: Usually ships in 2-3 business days
List Price: $71.35

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  #18

Accusize Industrial Tools 87 Pc Metric Gage Block Set, Grade 2, Din861 Germany Standard with Mfg's Certificate, 0087-2160

Model: 0087-2160   |    Mpn: 0087-2160   |    Ean: 0637665774870   |    PartNumber: 0087-2160   |   Asin: B0759TDYDK

Accusize Industrial Tools - 87 pc Metric Gage Block Set, Grade 2, DIN861 Germany Standard with MFG s Certificate, 0087-2160

Manufactured under carefully controlled conditions allowing for the highest degrees of accuracy when used at a temperature of 68 degrees F. ( 20 C). All gage block sets are assigned serial numbers and are accompanied by a certificate of inspection listing the deviation for each block DIN861 Grade 2 = +/- 0.000050" Surface Hardness: HRC 64 All gage block sets are made to special standard to resist corrosion and defacement Specifications:

Stepping 1.001 to 1.009mm, Nominal Dimensions: 0.001mm, NO. of Block: 9 Stepping 1.01 to 1.49mm, Nominal Dimensions: 0.01mm, NO. of Block: 49 Stepping 0.5 to 9.5mm, Nominal Dimensions: 0.5mm, NO. of Block: 19 Stepping 10 to 100mm, Nominal Dimensions: 10mm, NO. of Block: 10

Features

  • Manufactured under carefully controlled conditions allowing for the highest degrees of accuracy when used at a temperature of 68 degrees F. ( 20 C).
  • All gage block sets are assigned serial numbers and are accompanied with a certificate of inspection listing the deviation for each block
  • DIN861 Grade 2 = +/- 0.000050
  • Surface Hardness: HRC 64
  • All gage block sets are made to special standard to resist corrosion and defacement
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Brand: Accusize Industrial Tools   |   Manufacturer: Accusize Co., Ltd.

Item Dimensions: 7.48 x 2.76 x 11.81 inches (19.0 x 7.0 x 30.0 cm)   |   Package Dimensions: 2.36 x 7.95 x 12.32 inches (6.0 x 20.2 x 31.3 cm)

Amazon Price: $178.00 | as of 01/16/2020(12:23pm pst)
Availibility: Usually ships in 24 hours
List Price: $188.00

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  #19

Mitutoyo Steel Rectangular Gage Block, ASME Grade AS-1, 10 mm Length

Model: 611671-541   |    Mpn: 611671-541   |    Ean: 4946368457390   |    PartNumber: 611671-541   |   Asin: B003U9WG8W

The Mitutoyo grade AS-1 rectangular gage block is made of steel, has its nominal length engraved in metric [millimeter (mm)], and is supplied with a Mitutoyo inspection certificate that states that the block meets American Society of Mechanical Engineers (ASME) B89.1.9-2002 grade standard for flatness, length, parallelism, and surface finish. The inspection certificate specifies the deviation of the individual block from its nominal length. Gage blocks are commonly used to calibrate fixtures and precision instruments in workshop, inspection, and dimensional metrology applications, to inspect tools such as mounting tools, cutters, fixtures, and mechanical parts, and in the gage manufacturing process itself.

This grade AS-1 gage block is commonly used for workshop and inspection applications to calibrate fixtures and precision instruments, to inspect a variety of tools such as mounting tools, cutters, fixtures, and mechanical parts, and for manufacturing gage applications. It is made of high-carbon, high-chrome steel which has a high hardness for minimum deterioration, and is selected for its wear-resistance. This gage block has a rectangular base for accurate wringing. Nominal length is measured in metric [millimeter (mm)], and indicated with laser-etched, black characters. The length of a gage block is usually slightly shorter than its stamped nominal length, to account for the thin layer of oil or wring film used when two or more blocks are wrung together. An identification number is laser-etched on the block for traceability. The block has a depth of 9 millimeters. It comes in a carrying case with a padded, formed interior.

This gage block is supplied with a Mitutoyo inspection certificate [National Institute of Standards in Engineering (NIST)-traceable] that the block meets ASME B89.1.9-2002 standard for flatness, length, parallelism, and surface finish.

Gage blocks (also called gauge blocks, Hoke blocks, Jo blocks, slip gages, and Johansson gages) are blocks used to calibrate measuring equipment and to standardize the measurement of length in manufacturing industries. They are commonly made of precision-ground steel, ceramic, or carbide material, and have a square or rectangular base. Each block has a unique identification number. Length is in inch or millimeter measurement. They can be sold individually, and are also sold in sets with blocks of varying lengths. Gage blocks can be wrung together to create a required length. Wringing is the process of lapping blocks together with a small amount of oil. They are standardized by grade, which refers to the tolerance or deviation of an individual block from its nominal length. Gage block grades are defined for flatness, length, parallelism and surface finish. Some grades of gage blocks meet standards such as ASME, Association for Iron and Steel (AIST), and International Organization for Standards (ISO). Application and required level of accuracy dictate which grade of gage block should be used. Some manufacturers provide an internally-generated certificate of inspection to verify that a gage block meets grade standards. Gage blocks can also go through a calibration certification process to verify measurement accuracy. Calibration is performed by an accredited facility. Gage blocks are commonly recalibrated after use to ensure dimensional accuracy. If a gage block does not meet calibration standards, it should no longer be used. Both a certificate of inspection and a calibration certificate specify the deviation from the nominal length.

Mitutoyo manufactures precision measuring tools, metrology equipment, and systems. The company was founded in Tokyo in 1934 and formed Mitutoyo America Corporation in 1963, which is headquartered in Aurora, IL.

Features

  • Grade AS-1 gage block supplied with a Mitutoyo certificate of inspection that the block meets American Society of Mechanical Engineers (ASME) B89.1.9-2002 standard for flatness, length, parallelism, and surface finish
  • High-carbon, high-chrome steel provides high hardness and wear-resistance
  • Rectangular base for accurate wringing
  • Nominal length in metric [millimeter (mm)] indicated with laser-etched, black characters
  • Identification number etched in block for traceability
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Brand: Mitutoyo   |   Manufacturer: Mitutoyo

Package Dimensions: 0.6 x 2.1 x 3.2 inches (1.5 x 5.3 x 8.1 cm)

Amazon Price: $23.60 | as of 01/16/2020(12:23pm pst)
Availibility: Usually ships in 24 hours
List Price: $23.60 | Used Price: $7.43

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