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Best Long Length Drill Bits - Buying Guide

Last Updated: 11/15/2018

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Bestselling Long Length Drill Bits on Amazon

  1. DEWALT DW1606 1/4-Inch by 12-Inch Extra Long Black Oxide Drill Bit
  2. Bosch CO2148 21/64 In. x 4-5/8 In. Cobalt Drill Bit
  3. DEWALT DW1610 3/8-Inch by 12-Inch Extra Long Black Oxide Drill Bit
  4. DEWALT DW1602-1/8-Inch by 12-Inch Extra Long Black Oxide Drill Bit
  5. Forney 20564 Drill Bit Industrial Pro HSS Aircraft Extension, 7/64-Inch-by-6-Inch
  6. Atoplee 5pcs 6mm 8mm 10mm 12mm 14mm Brad Point Drill Bits Set Wood Boring Extra Long 230mm, Augers W...
  7. Cleveland 950E High Speed Steel Extra Long Length Drill Bit, Black Oxide, Round Shank, 118 Degree No...
  8. Dormer A34510.5 Extra Length Drill, Morse Taper Shank, Steam Oxide Coating, High Speed Steel, 0.4134...
  9. Dormer A34511.5 Extra Length Drill, Morse Taper Shank, Steam Oxide Coating, High Speed Steel, 0.4528...
  10. DEWALT DW1604 3/16-Inch by 12-Inch Extra Long Black Oxide Drill Bit

  #1

DEWALT DW1606 1/4-Inch by 12-Inch Extra Long Black Oxide Drill Bit

Model: DW1606   |    Mpn: DW1606   |    Ean: 5899405899532   |    PartNumber: DW1606   |   Asin: B00004RGYN

DEWALT DW1606 1/4-Inch by 12-Inch Extra Long Black Oxide Drill Bit

Features

  • The product is 1/4x12 HS STL Drill Bit
  • Easy to use
  • The product is manufactured in China
  • 135 degree split point drills on contact and prevents walking
  • Parabolic flute design improves chip ejection in metal and wood drilling applications
  • Black oxide coated for greater wear resistance
  • Helix is 31 degrees which minimizes the over aggressiveness of a true parabolic flute
  • See more on Amazon...

Brand: DEWALT   |   Manufacturer: Dewalt

Item Dimensions: 0.3 x 1.87 x 14.72 inches (0.8 x 4.7 x 37.4 cm)   |   Package Dimensions: 0.24 x 1.85 x 14.72 inches (0.6 x 4.7 x 37.4 cm)

Amazon Price: $7.84 | as of 11/15/2018(6:01pm pst)
Availibility: Usually ships in 24 hours
List Price: $11.16

Warranty: 1 Year Full Warranty

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  #2

Bosch CO2148 21/64 In. x 4-5/8 In. Cobalt Drill Bit

Model: CO2148   |    Mpn: CO2148   |    Ean: 0000346333602   |    PartNumber: CO2148   |   Asin: B000AEQQX6

Bosch cobalt drill bits are specially designed for drilling in hard steel. Thick web helix delivers fast material removal combined with increased durability for maximum efficiency and performance. Each bit is manufactured to exacting specifications and features a split point that starts on contact with no walking or skating, eliminating the need for a center punch.

Features

  • Withstands high-temperature applications for extended periods of time (up to 1,100 degreeF)
  • Rigid, thick web design adds stability to bit in tough applications
  • Surface hardened to penetrate tough abrasive materials
  • Available in jobber length, full shank
  • Best used for drilling into light-gauge metal, high-carbon steel, aluminum and ally steel, cast iron, stainless steel and titanium
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Brand: Bosch   |   Manufacturer: Bosch

Package Dimensions: 0.3 x 2 x 8 inches (0.8 x 5.1 x 20.3 cm)

Amazon Price: $6.20 | as of 11/15/2018(6:01pm pst)
Availibility: Usually ships in 24 hours
List Price: $7.74

Warranty: No

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  #3

DEWALT DW1610 3/8-Inch by 12-Inch Extra Long Black Oxide Drill Bit

Model: DW1610   |    Mpn: DW1610   |    Ean: 0288741161086   |    PartNumber: DW1610   |   Asin: B00004RGYQ

Black oxide coated for greater wear resistance; split point drills on contact and prevents walking. Parabolic flute design improves chip ejection in metal and wood drilling applications. Helix is 31 degrees which minimizes the over aggressiveness of a true parabolic flute.

Features

  • The product is 3/8x12 HS STL Drill Bit
  • Easy to use
  • The product is manufactured in China
  • 135 degree split point drills on contact and prevents walking
  • Parabolic flute design improves chip ejection in metal and wood drilling applications
  • Black oxide coated for greater wear resistance
  • Helix is 31 degrees which minimizes the over aggressiveness of a true parabolic flute
  • See more on Amazon...

Brand: DEWALT   |   Manufacturer: Dewalt

Item Dimensions: 0.43 x 1.87 x 14.72 inches (1.1 x 4.7 x 37.4 cm)   |   Package Dimensions: 0.51 x 1.73 x 14.76 inches (1.3 x 4.4 x 37.5 cm)

Amazon Price: $9.49 | as of 11/15/2018(6:01pm pst)
Availibility: Usually ships in 24 hours
List Price: $18.64

Warranty: 1 Year Full Warranty

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  #4

DEWALT DW1602-1/8-Inch by 12-Inch Extra Long Black Oxide Drill Bit

Model: DW1602   |    Mpn: DW1602   |    Ean: 7257259951789   |    PartNumber: DW1602   |   Asin: B00004RGYL

Black oxide coated for greater wear resistance; split point drills on contact and prevents walking. Parabolic flute design improves chip ejection in metal and wood drilling applications. Helix is 31 degrees which minimizes the over aggressiveness of a true parabolic flute.

Features

  • The product is 1/8x12 HS STL Drill Bit
  • Easy to use
  • The product is manufactured in China
  • 135 degree split point drills on contact and prevents walking
  • Parabolic flute design improves chip ejection in metal and wood drilling applications
  • Black oxide coated for greater wear resistance
  • Helix is 31 degrees which minimizes the over aggressiveness of a true parabolic flute
  • See more on Amazon...

Brand: DEWALT   |   Manufacturer: Dewalt

Item Dimensions: 0.18 x 1.87 x 14.72 inches (0.5 x 4.7 x 37.4 cm)   |   Package Dimensions: 0.12 x 1.85 x 14.65 inches (0.3 x 4.7 x 37.2 cm)

Amazon Price: $4.55 | as of 11/15/2018(6:01pm pst)
Availibility: Usually ships in 24 hours
List Price: $8.08

Warranty: 1 Year Full Warranty

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  #5

Forney 20564 Drill Bit Industrial Pro HSS Aircraft Extension, 7/64-Inch-by-6-Inch

Model: 20564   |    Mpn: 20564   |    Ean: 0032277205642   |    PartNumber: 20564   |   Asin: B003XF04G4

The Forney 20564 aircraft extension drill bit, 7/64" x 6" Industrial Pro high speed steel (HSS) fractional aircraft extension drill bit with 135-degree split point that allows the cutting action to begin immediately, penetrate faster with less pressure and prevent walking. Aircraft extension drills are normally operated in portable electric drills and are used for drilling holes in hard-to-reach places. They are used in aircraft plants for wing and tail assemblies and for drilling cowlings, spars and firewalls. No center punch is needed. National Aerospace Standard 907, Type B, aircraft extension drills Type A243. Forney Industries is one of America's longest operating family-owned metal working product companies. Founded in 1932, Forney offers more than 5,000 products for the hardware, automotive, farm & ranch and do-it-yourself markets. If you've got metal working questions, we've got answers. Were committed to your success regardless of location size or needs. 7/64-inch-by-6-inch (2.78mm x 15.24cm) aircraft extension drill bit. Claims for warranty must be made within 90 days of the date of purchase. Proof of purchase required. This warranty does not cover any product that has been subject to misuse, neglect, negligence or accident, or that has been used in any way contrary to the purpose intended.

Features

  • 135-degree split point allows cutting to begin immediately
  • Penetrate faster with less pressure and prevent walking
  • Used for drilling holes in hard-to-reach places
  • No center punch is needed
  • National Aerospace Standard 907, Type B
  • See more on Amazon...

Brand: Forney   |   Manufacturer: Forney

Item Dimensions: 0.11 x 0.11 x 6 inches (0.3 x 0.3 x 15.2 cm)   |   Package Dimensions: 1 x 1.2 x 6 inches (2.5 x 3.0 x 15.2 cm)

Amazon Price: $11.33 | as of 11/15/2018(6:01pm pst)
Availibility: Usually ships in 24 hours
List Price: $12.87

Warranty: 90 day warranty against manufacturer defects

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  #6

Atoplee 5pcs 6mm 8mm 10mm 12mm 14mm Brad Point Drill Bits Set Wood Boring Extra Long 230mm, Augers Woodworking Drill Bit

 Ean: 0769700162370   |    PartNumber: 15110060   |   Asin: B01ABG19JI

Features:

For Woodworking drilling & punching.

The central solid design makes the drill especially stable and powerful in drilling.

Single wing cutting edge makes faster, discharging quicker, smoother while in drilling.

The top of the tooth head is a guide function, so that the drilling is accurate, simple, quick and easy.

Features

  • Material: high carbon steel
  • Shank type: hex shank; Original package: plastic round tube
  • Shank diameter:6,8,10,12,14mm;Overall length:230mm
  • Net weight:approx 34,58,88,127,157g
  • Package Included: 5x Augers Woodworking Drill Bit
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Brand: ATOPLEE   |   Manufacturer: Atoplee

Package Dimensions: 1.02 x 8 x 10 inches (2.6 x 20.3 x 25.4 cm)

Amazon Price: $15.00 | as of 11/15/2018(6:01pm pst)
Availibility: Usually ships in 24 hours
List Price: $15.00

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  #7

Cleveland 950E High Speed Steel Extra Long Length Drill Bit, Black Oxide, Round Shank, 118 Degree Notched Point, 11/32" Dia. x 12" Lg (Pack of 1)

 Ean: 0697334097501   |    PartNumber: C09750   |   Asin: B00074Y5O6

The Cleveland 950E series extra-long length drill bit is made from high-speed steel with a black oxide finish and has a 118-degree notched point for extra-deep drilling applications on ferrous materials. High-speed steel (HSS) provides hardness for wear resistance. The uncoated finish has no additional surface treatment or coating. The web thins at the tip to create a 118-degree notched point, which penetrates material without a pilot hole more easily than a conventional point, and maintains a sharp cutting edge longer than a split point. An extra-long length drill bit reaches farther and drills deeper than a jobber or long length drill bit because it has longer flutes and overall length. The round shank accommodates most drill chucks. The drill bit conforms to American National Standards Institute (ANSI) standards.

Drill bits are cutting tools used to make holes in a range of materials using machines such as handheld portable drills, machining centers, and lathes. Drill bits come in a variety of lengths and types, the most common of which is the twist drill bit. The round, twisted shaft of the twist drill bit typically has two cutting edges and flutes. The helical twist of the flutes brings chips up and away from the cutting edges and allows for coolant to reach the cutting edges. Jobber length twist drill bits, the most common length of twist drill bit, offer a good compromise of length and reach for the widest range of materials and applications. Mechanic's length twist drill bits (also called maintenance length) are a little shorter than jobber length and less prone to deflection when drilling. Short length twist drill bits (also called stub or screw-machine length) are the shortest and stiffest twist drill bits, helping to reduce the chance of deflection or breakage when drilling. Reduced shank twist drill bits (also called Silver and Deming drill bits) have a shank that is smaller in diameter than its shaft, permitting drilling machines with a 1/4", 1/2", or 3/4" drill chuck to create large holes. Long length twist drill bits (also called taper length) are a little longer than jobber length, allowing for deeper holes and longer reach. Extra-long length twist drill bits (also called extension) are longer than long length twist drill bits for greater reach or for drilling deeper holes.

Cleveland manufactures tools for drilling, threading, and milling applications. The company, headquartered in Seneca, SC, meets International Organization for Standardization (ISO) standard 9001.

Features

  • Extra-long length drill bit reaches farther and drills deeper than a jobber or long length drill bit
  • High-speed steel (HSS) provides hardness for wear resistance
  • Black oxide finish reduces wear while promoting chip and coolant flow on ferrous materials
  • Self-centering 118-degree notched point penetrates material more easily than a conventional point without a pilot hole, and maintains a sharp cutting edge
  • Drill bit conforms to ANSI standards
  • Made in the USA
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Brand: Cleveland   |   Manufacturer: Greenfield Industries

Package Dimensions: 0.4 x 0.5 x 11.8 inches (1.0 x 1.3 x 30.0 cm)

Amazon Price: $34.15 | as of 11/15/2018(6:01pm pst)
Availibility: Usually ships in 2 to 4 weeks
List Price: $34.15

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  #8

Dormer A34510.5 Extra Length Drill, Morse Taper Shank, Steam Oxide Coating, High Speed Steel, 0.4134" Head Diameter, 185 mm Flute Length

Model: 0420171   |    Mpn: A34510.5   |    Ean: 7320760420171   |    PartNumber: A34510.5   |   Asin: B003JY5ZPO

The Dormer A345 extra-length, black oxide-coated, general-purpose Morse taper shank drill bit drills holes into a wide variety of metals and synthetic materials. It can drill to a depth up to ten times the diameter of the drill size. The shank diameter is the same as the drill size.

The A345 series has a type N flute form, with a regular helix (21 to 34 degrees) angle, and performs best when drilling into magnetic soft steel or structural steel (case carburizing steel). Black oxide helps to prevent buildup and welding of material on the drill s cutting edge when working with iron and steel. Spiral flutes act as a passageway for chip extraction from the hole and for coolant to enter the hole. Right-hand twist brings chips up and away from the cutting edge. The extra length allows for more freedom in being able to drill a wider variety of circumstances.

The principle of a Morse taper is that of the cone in the cone. The trunnion (the male portion drill shank) and the bore (the female portion the tool- holder) are both uniformly tapered. This system allows for torque to be transferred directly to the drill through the friction between the taper shank and the tool holder. The tang at the end of the taper is used for ejecting the drill bit from the spindle, with the aid of a drift pin.

Drilling, or hole making, is the most common metalworking operation in the world and twist drill bits are the most common type of drill bit. They can be used in hand-operated drills, standalone drill presses, or a lathe. They are made to DIN 340 industry standards, which ensure that drill bits around the world conform to the same specifications.

Dormer Pramet manufactures cutting tools under the following brands: Precision Twist Drill, Dormer, Union Butterfield and Pramet. The company has locations around the world, and provides tools adhering to ANSI, NAS, and DIN standards.

Features

  • Extra-length, for deeper holes
  • Morse taper shank, for a secure and accurate tool-holding system
  • 118-degree, web-thinned, conventional point angles, for reduced drilling pressure
  • Black oxide finish, for improving lubricity, resisting corrosion, and resistances to chipping or flaking
  • High-speed steel (HSS), for use on a wide variety of materials
  • See more on Amazon...

Brand: Dormer   |   Manufacturer: Precision Dormer

Package Dimensions: 0.6 x 0.7 x 12.1 inches (1.5 x 1.8 x 30.7 cm)

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  #9

Dormer A34511.5 Extra Length Drill, Morse Taper Shank, Steam Oxide Coating, High Speed Steel, 0.4528" Head Diameter, 195 mm Flute Length

Model: 0419564   |    Mpn: A34511.5   |    Ean: 7320760419564   |    PartNumber: A34511.5   |   Asin: B003JY5ZQS

The Dormer A345 extra-length, black oxide-coated, general-purpose Morse taper shank drill bit drills holes into a wide variety of metals and synthetic materials. It can drill to a depth up to ten times the diameter of the drill size. The shank diameter is the same as the drill size.

The A345 series has a type N flute form, with a regular helix (21 to 34 degrees) angle, and performs best when drilling into magnetic soft steel or structural steel (case carburizing steel). Black oxide helps to prevent buildup and welding of material on the drill s cutting edge when working with iron and steel. Spiral flutes act as a passageway for chip extraction from the hole and for coolant to enter the hole. Right-hand twist brings chips up and away from the cutting edge. The extra length allows for more freedom in being able to drill a wider variety of circumstances.

The principle of a Morse taper is that of the cone in the cone. The trunnion (the male portion drill shank) and the bore (the female portion the tool- holder) are both uniformly tapered. This system allows for torque to be transferred directly to the drill through the friction between the taper shank and the tool holder. The tang at the end of the taper is used for ejecting the drill bit from the spindle, with the aid of a drift pin.

Drilling, or hole making, is the most common metalworking operation in the world and twist drill bits are the most common type of drill bit. They can be used in hand-operated drills, standalone drill presses, or a lathe. They are made to DIN 340 industry standards, which ensure that drill bits around the world conform to the same specifications.

Dormer Pramet manufactures cutting tools under the following brands: Precision Twist Drill, Dormer, Union Butterfield and Pramet. The company has locations around the world, and provides tools adhering to ANSI, NAS, and DIN standards.

Features

  • Extra-length, for deeper holes
  • Morse taper shank, for a secure and accurate tool-holding system
  • 118-degree, web-thinned, conventional point angles, for reduced drilling pressure
  • Black oxide finish, for improving lubricity, resisting corrosion, and resistances to chipping or flaking
  • High-speed steel (HSS), for use on a wide variety of materials
  • See more on Amazon...

Brand: Dormer   |   Manufacturer: Precision Dormer

Package Dimensions: 0.51 x 0.51 x 12.01 inches (1.3 x 1.3 x 30.5 cm)

First Available: 2017-12-12

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  #10

DEWALT DW1604 3/16-Inch by 12-Inch Extra Long Black Oxide Drill Bit

Model: DW1604   |    Mpn: DW1604   |    Ean: 0754262132039   |    PartNumber: DW1604   |   Asin: B00004RGYM

DEWALT DW1604 3/16-Inch by 12-Inch Extra Long Black Oxide Drill Bit

Features

  • The product is 3/16x12 HS STL Bit
  • Easy to use
  • The product is manufactured in China
  • 135 degree split point drills on contact and prevents walking
  • Parabolic flute design improves chip ejection in metal and wood drilling applications
  • Black oxide coated for greater wear resistance
  • Helix is 31 degrees which minimizes the over aggressiveness of a true parabolic flute
  • See more on Amazon...

Brand: DEWALT   |   Manufacturer: Dewalt

Item Dimensions: 0.24 x 1.87 x 14.72 inches (0.6 x 4.7 x 37.4 cm)   |   Package Dimensions: 0.1 x 0.8 x 14.4 inches (0.3 x 2.0 x 36.6 cm)

Amazon Price: $6.87 | as of 11/15/2018(6:01pm pst)
Availibility: Usually ships in 24 hours
List Price: $9.96

Warranty: 1 Year Full Warranty

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  #11

Grizzly G9750 Aircraft Extension Drill Length 13-Piece Set, 1/16-Inch, 1/4-Inch by 6-Inch Long

Model: G9750   |    Mpn: G9750   |    Ean: 0690550097508   |    PartNumber: G9750   |   Asin: B0000DD0PS

These longer length high speed steel drill bits can reach into areas that are difficult to access with standard length drill bits. Model G9750 includes 1/16" - 1/4" by 64ths X 6" long. Model G9751 includes 1/16" - 1/2" by 64ths X 12" long. Model G9752 includes 1 - 60 wire gauge sizes X 6" long.

Features

  • High Speed Steel (HSS)
  • Package dimensions: 4.35 x 7.6 x 1
  • Approximate weight: 1.15 lbs
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Brand: Grizzly   |   Manufacturer: Grizzly

Item Dimensions: 1 x 7.6 x 4.35 inches (2.5 x 19.3 x 11.0 cm)   |   Package Dimensions: 0.9 x 3.7 x 4.8 inches (2.3 x 9.4 x 12.2 cm)

Amazon Price: $14.24 | as of 11/15/2018(6:01pm pst)
Availibility: Usually ships in 2-3 business days
List Price: $17.75

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  #12

DEWALT DW1608 5/16-Inch by 12-Inch Extra Long Black Oxide Twist Drill Bit

Model: DW1608   |    Mpn: DW1608   |    Ean: 0288741160850   |    PartNumber: DW1608   |   Asin: B00004RGYO

Black oxide coated for greater wear resistance; split point drills on contact and prevents walking. Parabolic flute design improves chip ejection in metal and wood drilling applications. Helix is 31 degrees which minimizes the over aggressiveness of a true parabolic flute.

Features

  • The product is 5/16x12 HS STL Bit
  • Easy to use
  • The product is manufactured in China
  • 135 degree split point drills on contact and prevents walking
  • Parabolic flute design improves chip ejection in metal and wood drilling applications
  • Black oxide coated for greater wear resistance
  • Helix is 31 degrees which minimizes the over aggressiveness of a true parabolic flute
  • One year warranty, One year service contract, 30 day no-risk trial
  • See more on Amazon...

Brand: DEWALT   |   Manufacturer: Dewalt

Item Dimensions: 14.8 x 2 x 0.3 inches (37.6 x 5.1 x 0.8 cm)   |   Package Dimensions: 0.37 x 1.87 x 14.72 inches (0.9 x 4.7 x 37.4 cm)

Amazon Price: $9.77 | as of 11/15/2018(6:01pm pst)
Availibility: Usually ships in 24 hours
List Price: $13.80

Warranty: 1 Year Full Warranty

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  #13

Bosch EX1012 7/16 In. x 12 In. Straight Shank Extension

Model: EX1012   |    Mpn: EX1012   |    Ean: 0000346393002   |    PartNumber: EX1012   |   Asin: B00ELC1Y3A

SDS-plus shank eliminates need for separate drill. Solid bit grip maintains stability of bit and extension in the tool. For use with most common rotary hammers in rotation mode.

Features

  • 12 In. straight extension shank
  • Dimensions 7/16 In. x 12 In.
  • Rugged, high-quality materials to withstand tough concrete applications
  • Maintains bit integrity at impact point
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Brand: Bosch   |   Manufacturer: Bosch

Item Dimensions: 15.75 x 3.75 x 1.03 inches (40.0 x 9.5 x 2.6 cm)   |   Package Dimensions: 0.4 x 3.4 x 15.4 inches (1.0 x 8.6 x 39.1 cm)

Amazon Price: $8.99 | as of 11/15/2018(6:01pm pst)
Availibility: Usually ships in 24 hours
List Price: $8.99

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  #14

Drill America GLBCOX61/8 GLBCO Steel Aircraft Extension Drill Bit 1/8" Size, Round Shank, Sprial Flute, Cobalt, 135 Degree, Right Hand, Split Point, Gold Oxide Finish, 1-5/8" Length

Model: GLBCOX61/8   |    Mpn: GLBCOX61/8   |    Ean: 0887861045452   |    PartNumber: GLBCOX61/8   |   Asin: B00B2R05FA

Drill America GLBCO Series drill bit is manufactured to National Aerospace Standard 907. Made of heat resistant cobalt, They are especially effective in drilling tough, high tensile strength materials like PH stainless steel, Inconel, and titanium. Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys. Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools; performance is similar to uncoated tools. Round shanks allow use with a wide variety of tool holding systems. When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging.

Features

  • Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys
  • Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools; performance is similar to uncoated tools
  • Round shanks allow use with a wide variety of tool holding systems
  • When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
  • Manufactured to National Aerospace Standard 907
  • See more on Amazon...

Brand: Drill America   |   Manufacturer: Drill America

Package Dimensions: 0.31 x 0.47 x 5.91 inches (0.8 x 1.2 x 15.0 cm)

First Available: 2017-10-30

Amazon Price: $7.23 | as of 11/15/2018(6:01pm pst)
Availibility: Usually ships in 24 hours
List Price: $4.77

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  #15

uxcell Metal Marble Drilling High Speed Steel 11mm Dia.Spiral Drill Bit Black

Model: a13031300ux0390   |    Mpn: Amico   |    Ean: 0700955033244   |    PartNumber: Amico   |   Asin: B00CFNJPII

HSS twist drill bit with straight shank, sharp spiral groove. Used widely to drill the metal and marble, is easy to install. The twist drill bit is used with electrical drilling machine.(here is not included).

Features

  • Product Name : Twist Drill Bit;Features : Straight Shank;Material : HSS
  • Color : Black;Bit Diameter : 11mm/ 0.43;Shank Diameter : 11mm/ 0.43
  • Flute Length : 93mm/ 3.7;Total Length : Total Length
  • 143mm/ 5.6 : 143mm/ 5.6;Net Weight : 74g
  • Package Content : Package Content;1 x Twist Drill Bit : 1 x Twist Drill Bit
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Brand: uxcell   |   Manufacturer: uxcell

Package Dimensions: 0.55 x 6.22 x 6.93 inches (1.4 x 15.8 x 17.6 cm)

Amazon Price: $8.46 | as of 11/15/2018(6:01pm pst)
Availibility: Usually ships in 24 hours
List Price: $8.46

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  #16

Cleveland 950E High Speed Steel Extra Long Length Drill Bit, Black Oxide, Round Shank, 118 Degree Notched Point, 1/4" Dia. x 8" Lg (Pack of 1)

 Ean: 0697334096658   |    PartNumber: C09665   |   Asin: B00074ZSN8

The Cleveland 950E series extra-long length drill bit is made from high-speed steel with a black oxide finish and has a 118-degree notched point for extra-deep drilling applications on ferrous materials. High-speed steel (HSS) provides hardness for wear resistance. The uncoated finish has no additional surface treatment or coating. The web thins at the tip to create a 118-degree notched point, which penetrates material without a pilot hole more easily than a conventional point, and maintains a sharp cutting edge longer than a split point. An extra-long length drill bit reaches farther and drills deeper than a jobber or long length drill bit because it has longer flutes and overall length. The round shank accommodates most drill chucks. The drill bit conforms to American National Standards Institute (ANSI) standards.

Drill bits are cutting tools used to make holes in a range of materials using machines such as handheld portable drills, machining centers, and lathes. Drill bits come in a variety of lengths and types, the most common of which is the twist drill bit. The round, twisted shaft of the twist drill bit typically has two cutting edges and flutes. The helical twist of the flutes brings chips up and away from the cutting edges and allows for coolant to reach the cutting edges. Jobber length twist drill bits, the most common length of twist drill bit, offer a good compromise of length and reach for the widest range of materials and applications. Mechanic's length twist drill bits (also called maintenance length) are a little shorter than jobber length and less prone to deflection when drilling. Short length twist drill bits (also called stub or screw-machine length) are the shortest and stiffest twist drill bits, helping to reduce the chance of deflection or breakage when drilling. Reduced shank twist drill bits (also called Silver and Deming drill bits) have a shank that is smaller in diameter than its shaft, permitting drilling machines with a 1/4", 1/2", or 3/4" drill chuck to create large holes. Long length twist drill bits (also called taper length) are a little longer than jobber length, allowing for deeper holes and longer reach. Extra-long length twist drill bits (also called extension) are longer than long length twist drill bits for greater reach or for drilling deeper holes.

Cleveland manufactures tools for drilling, threading, and milling applications. The company, headquartered in Seneca, SC, meets International Organization for Standardization (ISO) standard 9001.

Features

  • Extra-long length drill bit reaches farther and drills deeper than a jobber or long length drill bit
  • High-speed steel (HSS) provides hardness for wear resistance
  • Black oxide finish reduces wear while promoting chip and coolant flow on ferrous materials
  • Self-centering 118-degree notched point penetrates material more easily than a conventional point without a pilot hole, and maintains a sharp cutting edge
  • Drill bit conforms to ANSI standards
  • Made in the USA
  • See more on Amazon...

Brand: Cleveland   |   Manufacturer: Greenfield Industries

Package Dimensions: 0.4 x 0.5 x 7.9 inches (1.0 x 1.3 x 20.1 cm)

Amazon Price: $14.55 | as of 11/15/2018(6:01pm pst)
Availibility: Usually ships in 24 hours
List Price: $23.43

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  #17

Forney 20563 Drill Bit Industrial Pro HSS Aircraft Extension, 3/32-Inch-by-6-Inch

Model: 20563   |    Mpn: 20563   |    Ean: 0032277205635   |    PartNumber: 20563   |   Asin: B003XEWIQY

The Forney 20563 aircraft extension drill bit, 3/32" x 6" Industrial Pro high speed steel (HSS) fractional aircraft extension drill bit with 135-degree split point that allows the cutting action to begin immediately, penetrate faster with less pressure and prevent walking. Aircraft extension drills are normally operated in portable electric drills and are used for drilling holes in hard-to-reach places. They are used in aircraft plants for wing and tail assemblies and for drilling cowlings, spars and firewalls. No center punch is needed. National Aerospace Standard 907, Type B, aircraft extension drills Type A243. Forney Industries is one of America's longest operating family-owned metal working product companies. Founded in 1932, Forney offers more than 5,000 products for the hardware, automotive, farm & ranch and do-it-yourself markets. If you've got metal working questions, we've got answers. Were committed to your success regardless of location size or needs. 3/32-inch-by-6-inch (2.38mm x 15.24cm) aircraft extension drill bit. Claims for warranty must be made within 90 days of the date of purchase. Proof of purchase required. This warranty does not cover any product that has been subject to misuse, neglect, negligence or accident, or that has been used in any way contrary to the purpose intended.

Features

  • 135-degree split point allows cutting to begin immediately
  • Penetrate faster with less pressure and prevent walking
  • Used for drilling holes in hard-to-reach places
  • No center punch is needed
  • National Aerospace Standard 907, Type B
  • See more on Amazon...

Brand: Forney   |   Manufacturer: Forney

Package Dimensions: 0.5 x 0.6 x 7 inches (1.3 x 1.5 x 17.8 cm)

Amazon Price: $10.02 | as of 11/15/2018(6:01pm pst)
Availibility: Usually ships in 24 hours
List Price: $11.33

Warranty: 90 day warranty against manufacturer defects

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  #18

Forney 20894 Taper Tap Industrial Pro HSS UNC, 5/8-Inch by 11-Inch

Model: 20894   |    Mpn: 20894   |    Ean: 0032277208940   |    PartNumber: 20894   |   Asin: B003XEY6KU

The Forney 20894 Industrial Pro 5/8-inch x 11 taper tap high speed steel (HSS) Unified National Coarse (UNC) taper tap. Includes 4-degree chamfer angle (7-10 pitches chamfered) and 8-10 tooth height. For use on hard materials. Forney Industries is one of America's longest operating family-owned metal working product companies. Founded in 1932, Forney offers more than 5,000 products for the hardware, automotive, farm & ranch and do-it-yourself markets. If you've got metal working questions, we've got answers. Were committed to your success regardless of location size or needs. 5/8-inch(15.88mm)-by-11 taper tap. Claims for warranty must be made within 90 days of the date of purchase. Proof of purchase required. This warranty does not cover any product that has been subject to misuse, neglect, negligence or accident, or that has been used in any way contrary to the purpose intended.

Features

  • High speed steel
  • Unified National Coarse (UNC) taper tap
  • Includes 4-degree chamfer angle
  • 7-10 pitches chamfered and 8-10 tooth height
  • For use on hard materials
  • See more on Amazon...

Brand: Forney   |   Manufacturer: Forney

Item Dimensions: 0.63 x 0.63 x 3.75 inches (1.6 x 1.6 x 9.5 cm)   |   Package Dimensions: 0.4 x 3 x 5.6 inches (1.0 x 7.6 x 14.2 cm)

Amazon Price: $19.91 | as of 11/15/2018(6:01pm pst)
Availibility: Usually ships in 24 hours
List Price: $20.08

Warranty: 90 day warranty against manufacturer defects

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  #19

Forney 20562 Drill Bit Industrial Pro HSS Aircraft Extension, 5/64-Inch-by-6-Inch

Model: 20562   |    Mpn: 20562   |    Ean: 0032277205628   |    PartNumber: 20562   |   Asin: B003XEUH8A

The Forney 20562 aircraft extension drill bit, 5/64" x 6" Industrial Pro high speed steel (HSS) fractional aircraft extension drill bit with 135-degree split point that allows the cutting action to begin immediately, penetrate faster with less pressure and prevent walking. Aircraft extension drills are normally operated in portable electric drills and are used for drilling holes in hard-to-reach places. They are used in aircraft plants for wing and tail assemblies and for drilling cowlings, spars and firewalls. No center punch is needed. National Aerospace Standard 907, Type B, aircraft extension drills Type A243. Forney Industries is one of America's longest operating family-owned metal working product companies. Founded in 1932, Forney offers more than 5,000 products for the hardware, automotive, farm & ranch and do-it-yourself markets. If you've got metal working questions, we've got answers. Were committed to your success regardless of location size or needs. 5/64-inch-by-6-inch (1.98mm x 15.24cm) aircraft extension drill bit. Claims for warranty must be made within 90 days of the date of purchase. Proof of purchase required. This warranty does not cover any product that has been subject to misuse, neglect, negligence or accident, or that has been used in any way contrary to the purpose intended.

Features

  • 135-degree split point allows cutting to begin immediately
  • Penetrate faster with less pressure and prevent walking
  • Used for drilling holes in hard-to-reach places
  • No center punch is needed
  • National Aerospace Standard 907, Type B
  • See more on Amazon...

Brand: Forney   |   Manufacturer: Forney

Package Dimensions: 0.6 x 0.6 x 6.8 inches (1.5 x 1.5 x 17.3 cm)

Amazon Price: $10.02 | as of 11/15/2018(6:01pm pst)
Availibility: Usually ships in 24 hours
List Price: $11.33

Warranty: 90 day warranty against manufacturer defects

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  #20

Drill America GLBCOX640 GLBCO Steel Aircraft Extension Drill Bit #40 Size, Round Shank, Sprial Flute, Cobalt, 135 Degree, Right Hand, Split Point, Gold Oxide Finish, 1-3/8" Length

Model: GLBCOX640   |    Mpn: GLBCOX640   |    Ean: 0887861045025   |    PartNumber: GLBCOX640   |   Asin: B00B2R0ZMS

Drill America GLBCO Series drill bit is manufactured to National Aerospace Standard 907. Made of heat resistant cobalt, They are especially effective in drilling tough, high tensile strength materials like PH stainless steel, Inconel, and titanium. Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys. Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools; performance is similar to uncoated tools. Round shanks allow use with a wide variety of tool holding systems. When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging.

Features

  • Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys
  • Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools; performance is similar to uncoated tools
  • Round shanks allow use with a wide variety of tool holding systems
  • When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
  • Manufactured to national aerospace standard 907
  • See more on Amazon...

Brand: Drill America   |   Manufacturer: Drill America

Package Dimensions: 0.6 x 0.6 x 6.5 inches (1.5 x 1.5 x 16.5 cm)

First Available: 2017-10-30

Amazon Price: $5.07 | as of 11/15/2018(6:01pm pst)
Availibility: Usually ships in 24 hours
List Price: $5.07

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