System of Measurement System of Measurement |
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Decimal Size Equivalent Decimal Size Equivalent |
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For Use On For Use On |
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Length Class Length Class |
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| Jobbers' Length |
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| Extended Length |
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| Taper Shank Length |
Material Material |
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Finish Finish |
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Shank Type Shank Type |
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| Round | Morse Taper |
Maximum Drilling Depth Maximum Drilling Depth | Show |
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Maximum Drilling Depth Maximum Drilling Depth | Hide |
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Flute Direction Flute Direction |
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| Right Hand |
Bit Style Bit Style |
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 | Spiral Flute |
Individual/Set Individual/Set |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Specifications Met Specifications Met |
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Morse Taper Number Morse Taper Number |
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Morse Taper Diameter Morse Taper Diameter |
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Drill Bit Decimal Size Equivalents
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About Drill Bits
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Extended-Length Drill Bits
Access hard-to-reach spots and drill deep holes.
Black-oxide drill bits produce less friction than uncoated drill bits.
Titanium-nitride (TiN) coated drill bits last longer and can drill at higher speeds than uncoated and black-oxide drill bits.
For technical drawings and 3-D models, click on a part number.
Shank | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | For Use On | Each | |
Inch | |||||||||
Black-Oxide High-Speed Steel | |||||||||
| 21/64" | 0.3281" | 6 1/2" | 3.63" | Round | 21/64" | Standard | Steel, Iron, Stainless Steel | 000000000 | 000000 |
Titanium-Nitride (TiN) Coated High-Speed Steel | |||||||||
| 13/64" | 0.2031" | 6" | 3.63" | Round | 13/64" | Standard | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Aluminum, Brass, Bronze, Plastic | 000000000 | 00000 |
| 7/32" | 0.2188" | 6" | 3.63" | Round | 7/32" | Standard | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Aluminum, Brass, Bronze, Plastic | 000000000 | 00000 |
Uncoated High-Speed Steel | |||||||||
| 13/64" | 0.2031" | 6" | 3.63" | Round | 13/64" | Standard | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 0000000 | 0000 |
| 7/32" | 0.2188" | 6" | 3.63" | Round | 7/32" | Standard | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 0000000 | 0000 |
Wire Gauge | |||||||||
Titanium-Nitride (TiN) Coated High-Speed Steel | |||||||||
| 7 ga | 0.201" | 6" | 3.63" | Round | 0.201" | Standard | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Aluminum, Brass, Bronze, Plastic | 000000000 | 00000 |
Cobalt Steel Drill Bits
These jobbers'-length bits have the rigidity and length required for most applications. Made of cobalt steel, which has better heat and wear resistance than high-speed steel, they can run up to 25% faster and have a longer tool life.
Titanium-nitride (TiN) coated drill bits last longer and can drill at higher speeds than uncoated drill bits.
Drill bits with a split point keep centered without a pilot hole.
For technical drawings and 3-D models, click on a part number.
Shank | Each | Pkg. | |||||||||||
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| Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | Specifications Met | For Use On | Each | Pkg. Qty. | Pkg. | ||
Inch | |||||||||||||
Titanium-Nitride (TiN) Coated Cobalt Steel | |||||||||||||
| 3/8" | 0.375" | 5" | 3.63" | Round | 3/8" | Split | NAS907 Type J | Steel, Hardened Steel, Iron, Stainless Steel, Nickel, Titanium, Fiberglass | 000000000 | 000000 | 6 | 000000000 | 0000000 |
Letter | |||||||||||||
Titanium-Nitride (TiN) Coated Cobalt Steel | |||||||||||||
| U | 0.368" | 5" | 3.63" | Round | 0.368" | Split | NAS907 Type J | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Fiberglass | 000000000 | 00000 | __ | 000000 | 00 |
| V | 0.377" | 5" | 3.63" | Round | 0.377" | Split | NAS907 Type J | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Fiberglass | 000000000 | 00000 | __ | 000000 | 00 |
Short-Flute Extended-Length Carbide-Tipped Drill Bits
The short flutes provide increased rigidity for drilling straighter holes and the long length lets you access hard-to-reach spots. More wear resistant than cobalt steel and high-speed steel, these carbide-tipped bits maintain a sharper, harder edge at high temperatures for excellent performance on abrasive material, such as plastic. Because they aren’t as brittle as solid carbide bits, they can be used in less rigid setups, such as a hand-held drill. A split point keeps the bit centered without a pilot hole.
For technical drawings and 3-D models, click on a part number.
Shank | 6" Overall Lg. | |||||||
|---|---|---|---|---|---|---|---|---|
| Size | Decimal Size Equivalent | Type | Size | Point Style | For Use On | Max. Drilling Dp. | Each | |
Inch | ||||||||
Uncoated Carbide-Tipped Steel | ||||||||
| 3/8" | 0.375" | Round | 3/8" | Split | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 3.63" | 0000000 | 000000 |
Cobalt Steel Morse Taper-Shank Drill Bits
With better heat and wear resistance than high-speed steel, these cobalt steel bits can run up to 25% faster and have a longer tool life. Install the Morse taper shank directly into the tapered spindle on machines such as drill presses and lathes. A split point keeps the bit centered without a pilot hole.
For technical drawings and 3-D models, click on a part number.
Morse Taper | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Size | Decimal Size Equivalent | No. | Dia. | Overall Lg. | Max. Drilling Dp. | Shank Type | Point Style | For Use On | Each | |
Inch | ||||||||||
Uncoated Cobalt Steel | ||||||||||
| 25/64" | 0.3906" | 2 | 0.7" | 7 1/2" | 3.63" | Morse Taper | Split | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel | 00000000 | 000000 |
| 13/32" | 0.4063" | 2 | 0.7" | 7 1/2" | 3.63" | Morse Taper | Split | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel | 0000000 | 00000 |
Drill Bits for Precise Holes in Wood
Three sharp points allow these bits to drill accurate straight and overlapping holes, even across the grain. The center guide point prevents the bit from wandering. Also known as brad-point bits.
High-speed steel drill bits are stronger and more wear resistant than steel drill bits.
For technical drawings and 3-D models, click on a part number.
Shank | ||||||||
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| Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | Each | |
Inch | ||||||||
Uncoated High-Speed Steel | ||||||||
| 3/8" | 0.375" | 5" | 3.63" | Round | 3/8" | Brad | 00000000 | 000000 |
Drill Bits for Wood Screws
These bits are cut to match a wood screw’s thread and diameter, resulting in a perfect fit for a screw. They produce clean edges when cutting soft and hard wood.
For technical drawings and 3-D models, click on a part number.