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Best Long Length Drill Bits - Buying Guide

Last Updated: 04/20/2019

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Bestselling Long Length Drill Bits on Amazon

  1. DEWALT DW1610 3/8-Inch by 12-Inch Extra Long Black Oxide Drill Bit
  2. DEWALT DW1606 1/4-Inch by 12-Inch Extra Long Black Oxide Drill Bit
  3. ORIA Precision Screwdriver Set, Long Screwdriver Kit, 25 in 1 Magnetic Driver Kit with 24 Bits, S2 S...
  4. Bosch CO2148 21/64 In. x 4-5/8 In. Cobalt Drill Bit
  5. Drill America 3/32" x 12" High Speed Steel Aircraft Extension Drill Bit, DWDA/C Series
  6. DEWALT DW1602-1/8-Inch by 12-Inch Extra Long Black Oxide Drill Bit
  7. Drill America 11/64" x 6" High Speed Steel Aircraft Extension Drill Bit (Pack of 12), DWDA/C Series
  8. Grizzly G9750 Aircraft Extension Drill Length 13-Piece Set, 1/16-Inch, 1/4-Inch by 6-Inch Long
  9. Drill Hog USA 11/16" Drill Bit 11/16" Silver & Deming Bit HI-Molybdenum M7
  10. Alfa Tools SDBB50407 5/8" Blitz Bit Silver and Deming Drill with 1/2" Shank

  #1

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 has 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: 0.4 x 1.9 x 14.7 inches (1.0 x 4.8 x 37.3 cm)   |   Package Dimensions: 0.51 x 1.73 x 14.76 inches (1.3 x 4.4 x 37.5 cm)

Amazon Price: Too low to display | as of 04/20/2019(3:50pm pst)
Availibility: Usually ships in 24 hours
List Price: $18.64

Warranty: 1 Year Full Warranty

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  #2

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 has 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 1.9 x 14.7 inches (0.8 x 4.8 x 37.3 cm)   |   Package Dimensions: 0.24 x 1.85 x 14.72 inches (0.6 x 4.7 x 37.4 cm)

Amazon Price: Too low to display | as of 04/20/2019(3:50pm pst)
Availibility: Usually ships in 24 hours
List Price: $17.08

Warranty: 1 Year Full Warranty

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  #3

ORIA Precision Screwdriver Set, Long Screwdriver Kit, 25 in 1 Magnetic Driver Kit with 24 Bits, S2 Steel Material Repair Tool Kit, 28mm Long Bit, 12mm Working Depth for Smartphone/Tablet/PC

Model: .   |    Mpn: .   |    Ean: 0767421457119   |    PartNumber: .   |   Asin: B07KWTSGBJ

Features:

Metal bits are coated with rust-proof oil, which mainly avoids the rust of bits during long-distance transportation shipping.-Aluminum alloy storage box Slim & compact body size High-precision one molding process Rounded edge of the arc, firm & comfortable grip Surface sandblasting anode treatment, anti-sweat & anti-corrosion

-24 precision batch head High grade S2 steel High precision bite 60 HRC hardness Double rust treatment Effective corrosion resistance Easy to operate in deep holes

-Aluminum handle Anodic oxidation treatment Special anti-skid handling Rotary cap design

24 Screwdriver Bits Included:

-1 x U shaped: 2.6 -1 x Triangle: 2.0 -1 x Mainboard Phillips: 1.5 -2 x Tri-wing: Y0.8/Y2.5 -3 x Pentagon: 0.8/1.5/2.0 -3 x Slotted: 1.5/2.0/2.5 -3 x Phillips: 1.0/1.5/2.0 -3 x Hex H1.3/H1.5/H2.0 -7 x Torx: T2/T3/T4/T5/T6/T7/T8

Specifications:

-Bits length: 28mm -Bits diameter: 4mm -Product hardness: 58~62 -Weight: 249g -Bits Material: High grade S2 steel -Handle Material: Aluminum alloy -Case Material: Aluminum alloy -Operating of Box: Press to open and close -Box Dimensions: 168mm * 66mm * 15.8mm/6.61in *2.6in* 0.62in

Package include:

-1 x 24 Screwdriver Bits -1 x Screwdriver Handle -1 x Mini Storage Case

Seller Warranty Policy:

45-Day Money Back Guarantee 12-Month Replacement Warranty 7/24 Online Customer Service Lifetime Support Guarantee GCID: ORIA

Features

  • Multi-Professional Screwdriver Bits 24 S2 steel screwdriver bits include U shaped: 2.6, Triangle: 2.0, Mainboard Phillips: 1.5, Tri-wing: Y0.8/Y2.5, Pentagon: 0.8/1.5/2.0, Slotted: 1.5/2.0/2.5, Phillips: 1.0/1.5/2.0, Hex H1.3/H1.5/H2.0, Torx: T2/T3/T4/T5/T6/T7/T8, which are designed for electronics, laptops, phones, computer, eyeglasses, smartphones, toys, PC, watches, game consoles, camera, radio, Mac(book) and most hand-held devices.
  • High Hardness & S2 Steel Material Updated magnetic bits made by high grade S2 steel which is much harder and durable than CRV steel. Hardness up to 60HRC(Tolerance: 2HRC), extraordinary hardness, superior toughness, High precision.
  • Aluminium Alloy Handle & Deep Hole Work Design Aluminum alloy handle with anodic oxidation process and special anti-slip treatment, turn cap design.It's equipped with deep holes working screwdriver (12mm working depth), 30% more work depth than ordinary screwdrivers
  • Magnetic Design With magnetic design, which makes it much more easy to use. You just need to choose the bit that you need and put it into the hole of the handle, and the bit will be sucked tightly because of the magnetism. Magnetic Bits neatly inside the aluminum alloy storage box, even if the head is facing down, it will not fall down.
  • Pocket Size Storage Box Aluminum alloy storage box has slim & compact body size, smooth arc edge to give you comfortable grip. Sandblasting anodizing treatment surface, anti-Sweat and anti-corrosion. When you press the button on the top, the internal box will spring out.
  • See more on Amazon...

Brand: ORIA   |   Manufacturer: ORIA

Package Dimensions: 0.87 x 3.54 x 7.64 inches (2.2 x 9.0 x 19.4 cm)

Amazon Price: $15.99 | as of 04/20/2019(3:50pm pst)
Availibility: Usually ships in 24 hours
List Price: $15.99

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  #4

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
  • See more on Amazon...

Brand: Bosch   |   Manufacturer: Bosch

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

Amazon Price: $5.89 | as of 04/20/2019(3:50pm pst)
Availibility: Usually ships in 24 hours
List Price: $15.38

Warranty: No

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  #5

Drill America 3/32" x 12" High Speed Steel Aircraft Extension Drill Bit, DWDA/C Series

Model: DWDA/CX123/32   |    Mpn: DWDA/CX123/32   |    Ean: 0887861044363   |    PartNumber: DWDA/CX123/32   |   Asin: B00B2QW0JK

Drill America DWDA/C Series High-Speed Steel drill bit is manufactured to National Aerospace Standard 907. 135 split point is self-centering and reduces thrust. Ideal for drilling in mild steels where extra length for reach is required. They have a black oxide surface treatment that is abrasion resistant, reduces chip welding and improves chip flow.

Features

  • High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
  • Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge
  • 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 1.1 x 11.9 inches (1.5 x 2.8 x 30.2 cm)

First Available: 2017-10-30

Amazon Price: $6.75 | as of 04/20/2019(3:50pm pst)
Availibility: Usually ships in 24 hours
List Price: $6.75

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  #6

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: Too low to display | as of 04/20/2019(3:50pm pst)
Availibility: Usually ships in 24 hours
List Price: $14.30

Warranty: 1 Year Full Warranty

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  #7

Drill America 11/64" x 6" High Speed Steel Aircraft Extension Drill Bit (Pack of 12), DWDA/C Series

Model: DWDA/CX611/64P12   |    Mpn: DWDA/CX611/64P12   |    Ean: 0887861215992   |    PartNumber: DWDA/CX611/64P12   |   Asin: B00FXH1GF8

Drill America DWDA/C Series High-Speed Steel drill bit is manufactured to National Aerospace Standard 907. 135 split point is self-centering and reduces thrust. Ideal for drilling in mild steels where extra length for reach is required. They have a black oxide surface treatment that is abrasion resistant, reduces chip welding and improves chip flow.

Features

  • High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
  • Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge
  • Round shanks allow use with a wide variety of toolholding 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: 0.3 x 4 x 8 inches (0.8 x 10.2 x 20.3 cm)

Amazon Price: $29.78 | as of 04/20/2019(3:50pm pst)
Availibility: Usually ships in 24 hours
List Price: $29.78

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  #8

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: $13.95 | as of 04/20/2019(3:50pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $13.95

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  #9

Drill Hog USA 11/16" Drill Bit 11/16" Silver & Deming Bit HI-Molybdenum M7

Model: 1116M7SD   |    Mpn: 1116M7SD   |    Ean: 0799209319784   |    PartNumber: 1116M7SD   |   Asin: B074D42DGC

Drill Hog is proud to release the newest technology in drill bits. These bits are made from Molybdenum which has a melting point of 4753 degrees Fahrenheit! These bits will drill through the toughest steel like truck frames, stainless steel, farm implements, spring steel, grade 8 bolts, and more! Drill Hog includes a lifetime warranty to the original purchaser.

Features

  • 11/16" Diameter 6" Overall Length
  • HI-Molybdenum M7 HSS Steel
  • 135 Degree Split Point Prevents Walking
  • Tri-Flat Shank Cut Down to 1/2
  • Drill Hog USA Lifetime Warranty
  • See more on Amazon...

Brand: Drill Hog   |   Manufacturer: Drill Hog

Package Dimensions: 0.4 x 4 x 9 inches (1.0 x 10.2 x 22.9 cm)

Amazon Price: $19.99 | as of 04/20/2019(3:50pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $19.99

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  #10

Alfa Tools SDBB50407 5/8" Blitz Bit Silver and Deming Drill with 1/2" Shank

Model: SDBB50407   |    Mpn: SDBB50407   |    Ean: 0721511127344   |    PartNumber: SDBB50407   |   Asin: B00DYFQX54

Engineered for heavy duty work, BLITZ BITS are high performance drills for production as well as tough maintenance applications. Made from a premium grade of M-7 molybdenum high-speed steel, which has a special black and gold surface treatment to increase lubricity and reduce friction. The strong web construction provides greater strength and rigidity to drill in hard-to-drill materials like stainless steel and titanium alloys. Silver and Deming drills are ideal for portable drilling and drill presses, where the maximum chuck capacity in 1/2 inch. Buttressed cutting edge, with acute rake, makes the BLITZ BIT cut cleanly and accurately with less effort. The extra clearance behind the side margin reduces friction, enabling balanced cutting action with closer hole tolerances at higher speeds.

Features

  • Blitz Bits are high performance drills for production as well as tough maintenance applications
  • 5/8 Diameter ( 0.6250), 6 Overall Length
  • 118 Degree Split Point, 3 Flats 1/2 Reduced Shank, Right Hand Spiral
  • Made in USA
  • 1 per Tube
  • See more on Amazon...

Brand: Alfa Tools   |   Manufacturer: Alfa Tools

Item Dimensions: 0.63 x 3 x 6 inches (1.6 x 7.6 x 15.2 cm)   |   Package Dimensions: 0.63 x 3 x 6 inches (1.6 x 7.6 x 15.2 cm)

Amazon Price: $19.99 | as of 04/20/2019(3:50pm pst)
Availibility:
List Price:

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  #11

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: 2.25 x 4 x 15.13 inches (5.7 x 10.2 x 38.4 cm)   |   Package Dimensions: 0.4 x 1.18 x 12.83 inches (1.0 x 3.0 x 32.6 cm)

Amazon Price: Too low to display | as of 04/20/2019(3:50pm pst)
Availibility: Usually ships in 24 hours
List Price: $13.80

Warranty: 1 Year Full Warranty

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  #12

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 04/20/2019(3:50pm pst)
Availibility: Usually ships in 24 hours
List Price: $12.54

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  #13

Drill America 7/64" x 6" High Speed Steel Aircraft Extension Drill Bit, DWDA/C Series

Model: DWDA/CX67/64   |    Mpn: DWDA/CX67/64   |    Ean: 0887861043212   |    PartNumber: DWDA/CX67/64   |   Asin: B00B1C8LF2

Drill America DWDA/C Series High-Speed Steel drill bit is manufactured to National Aerospace Standard 907. 135 split point is self-centering and reduces thrust. Ideal for drilling in mild steels where extra length for reach is required. They have a black oxide surface treatment that is abrasion resistant, reduces chip welding and improves chip flow.

Features

  • High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
  • Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge
  • 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: 2 x 2 x 12 inches (5.1 x 5.1 x 30.5 cm)

First Available: 2017-10-30

Amazon Price: $7.46 | as of 04/20/2019(3:50pm pst)
Availibility: Usually ships in 24 hours
List Price: $2.46

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  #14

Senco EA0301 #2 Square and EA0300 #2 Phillips Duraspin Drive Bits (2 - 2 Packs

 Ean: 0693892573693   |    PartNumber: EA0301_EA0300   |   Asin: B01MZH4C8S

These #2 Duraspin replacement driver bits give users a sense of security, knowing there are high quality bit replacements available when they become necessary. The (2) EA0301 #2 Square bits are 7.75" long and work with Duraspin models DS312-18V and DS332-AC. The (2) EA0300 #2 Phillips bits are 7.75" in length and work with models DS312-18V and DS332-AC. All (4) bits are made of durable steel to stand up to challenging applications.

Features

  • Genuine Senco Replacement Parts
  • Made with Steel to Hold up in Demanding Applications
  • Compatible with Duraspin models: DS312-18V and DS332-AC
  • 2 Drive Bits per Pack
  • Included: (1) EA0301 #2 Square Drive Bit Pack and (1) EA0300 #2 Phillips Drive Bit Pack
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Brand: Senco   |   Manufacturer: Senco

Amazon Price: $16.95 | as of 04/20/2019(3:50pm pst)
Availibility: Usually ships in 24 hours
List Price: $16.95

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  #15

Drill America 21/64" x 12" High Speed Steel Aircraft Extension Drill Bit, DWDA/C Series

Model: DWDA/CX1221/64   |    Mpn: DWDA/CX1221/64   |    Ean: 0887861044516   |    PartNumber: DWDA/CX1221/64   |   Asin: B00B2QXN9G

Drill America DWDA/C Series High-Speed Steel drill bit is manufactured to National Aerospace Standard 907. 135 split point is self-centering and reduces thrust. Ideal for drilling in mild steels where extra length for reach is required. They have a black oxide surface treatment that is abrasion resistant, reduces chip welding and improves chip flow.

Features

  • High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
  • Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge
  • 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: 0.75 x 0.75 x 12.25 inches (1.9 x 1.9 x 31.1 cm)

First Available: 2017-10-30

Amazon Price: $8.47 | as of 04/20/2019(3:50pm pst)
Availibility: Usually ships in 24 hours
List Price: $12.48

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  #16

Drill America #40 x 6" Cobalt Aircraft Extension Drill Bit, GLBCO Series

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 04/20/2019(3:50pm pst)
Availibility: Usually ships in 24 hours
List Price: $5.07

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  #17

29 hole 29 sizes Bolt Wire Fractional Drill Bit Gauge, Black

 PartNumber: DGBK460   |   Asin: B06Y1KR3QG

BenPro Tools Drill Gage is made of non-corrosive, non-conductive, high-impact thermoplastic and/or bioplastic. 29 Sizes Drill Gauge Bolt Wire Diameter Size Bit Gauge Heavy duty construction drill gauge comes with clearly marked fractions. Equivalents ranging from 1/16" to 1/2" by 1/64". Gauge the drill bits quickly and easily SAE Standard Drill Bit & Wire Bolt Gauge Size Diameter Index incudes index for , 31/64, 15/32, 29/64, 7/16, 27/64, 13/32, 25/64, 3/8, 23/64, 11/32, 21/64, 5/16, 19/64, 9/32, 17/64, , 15/64, 7/32, 13/64, 3/16, 11/64, 5/32, 9/64, 1/8, 7/64, 3/32, 5/64, and 1/16.

Features

  • 29 Sizes Drill Gauge Bolt Wire Diameter Size Bit Gauge Heavy duty construction drill gauge comes with clearly marked fractions
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Brand: BenPro Tools   |   Manufacturer: Beneficial Products LLC

Amazon Price: $3.99 | as of 04/20/2019(3:50pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $3.99

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  #18

Drill America 27/64" x 12" High Speed Steel Aircraft Extension Drill Bit, DWDA/C Series

Model: DWDA/CX1227/64   |    Mpn: DWDA/CX1227/64   |    Ean: 0887861044578   |    PartNumber: DWDA/CX1227/64   |   Asin: B00B2QXCF6

Drill America DWDA/C Series High-Speed Steel drill bit is manufactured to National Aerospace Standard 907. 135 split point is self-centering and reduces thrust. Ideal for drilling in mild steels where extra length for reach is required. They have a black oxide surface treatment that is abrasion resistant, reduces chip welding and improves chip flow.

Features

  • High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
  • Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge
  • 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: 0.7 x 0.7 x 11.9 inches (1.8 x 1.8 x 30.2 cm)

First Available: 2017-10-30

Amazon Price: $11.57 | as of 04/20/2019(3:50pm pst)
Availibility: Usually ships in 24 hours
List Price: $16.20

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  #19

DRILLFORCE10-piece 5/16" Round Shank HSS Titanium Coated Twist Drill Bits for Metal (5/16)

 PartNumber: 20017-10   |   Asin: B07989LWJW

Specifications:
* Brand new and high quality.
* Material: 4241 High Speed Steel, Titanium Coated.
* Angle Point: 135 Degree.
* Flute Type: Spiral.
* Shank Type: Straight and Round Shank.
* Specification Met: ANSI.
* Indentation Hardness: 60-62 Rockwell.

High Speed Steel:
* High speed steel construction provides ultimate durability, the cutting edge is hardened and honed for sharpness, chatter-free design with staggered cutting teeth ensure the precise countersinking and hole smooth clean.

Twist Design:
* The split point tip and twist design increases cutting speed while easy self centering prevents walking. Say bye to all those chips and particles, with the twist design the drill bit can quickly clears them out, and leaves a clean, smooth hole.

Notice:
* Please keep cool and gentle using, the working life of the twist drill bits can be largely prolonged by proper usage.
* Not For Use On Concrete, Masonry, Stainless Steel.

* Please check the detail information carefully before purchasing.
* Please allow 1-2mm in size measurement chart for variance due to manual measurement.
* Please excuse us from any possible typos and unintentional misinterpretations * Your satisfaction is our utmost concern, please feel free to contact us for any questions and concerns.

Our Services:
* On-time Delivery: Your product will arrive at the scheduled time.
* Our working time: Monday to Friday, 9:00~18:00. For inquires and customer support, please send your email via amazon email system. All emails will be responded to within 24 hours during business days.

Features

  • Titanium Coated: Classic 4241 High Speed Steel construction with Titanium Coating for proven capability and durability.
  • Strength & Hardness: Made with HSS 4241 steel, Rock wall Hardness Level HRC 60-62.
  • Package & Size: 10 Pieces in a plastic bag, Diameter 5/16 inch, Total length 4-1/2 inch, Working length 3-3/16 inch.
  • Professional & DIY Use: For use on metal, wood & plastics, Not For Use On Concrete / Masonry / Stainless Steel. Perfect match for workshop or service vehicles.
  • 135 Tip & Twist Design: Increases cutting speed with self-centering and prevents walking, clears chips and particles faster.
  • See more on Amazon...

Brand: DRILLFORCE   |   Manufacturer: DRILLFORCE

Amazon Price: $15.99 | as of 04/20/2019(3:50pm pst)
Availibility: Usually ships in 24 hours
List Price: $15.99

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  #20

Drill America 5/64" x 6" High Speed Steel Aircraft Extension Drill Bit, DWDA/C Series

Model: DWDA/CX65/64   |    Mpn: DWDA/CX65/64   |    Ean: 0887861043199   |    PartNumber: DWDA/CX65/64   |   Asin: B00B1C8O4U

Drill America DWDA/C Series High-Speed Steel drill bit is manufactured to National Aerospace Standard 907. 135 split point is self-centering and reduces thrust. Ideal for drilling in mild steels where extra length for reach is required. They have a black oxide surface treatment that is abrasion resistant, reduces chip welding and improves chip flow.

Features

  • High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
  • Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge
  • 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 5.9 inches (1.5 x 1.5 x 15.0 cm)

First Available: 2017-10-30

Amazon Price: $2.45 | as of 04/20/2019(3:50pm pst)
Availibility: Usually ships in 24 hours
List Price: $2.45

See Amazon Reviews | Add to your Amazon Wishlist

See On Amazon




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