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 |
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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Finish Finish |
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Material Material |
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Bit Style Bit Style |
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![]() | Spiral Flute |
Flute Direction Flute Direction |
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Right Hand |
Individual/Set Individual/Set |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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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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Drill Bits for Precise Holes

Specially-designed flutes keep these bits centered as they drill, resulting in straighter, rounder holes with tighter tolerances. They are titanium nitride (TiN) coated for wear and temperature resistance. Also known as double-margin 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 Depth | Type | Size | Point Style | For Use On | Each | |
Inch—Jobbers' Length | |||||||||
Titanium-Nitride (TiN) Coated High-Speed Steel | |||||||||
9/32" | 0.2813" | 4 1/4" | 2.93" | Round | 9/32" | Standard | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Aluminum, Brass, Bronze, Plastic | 0000000 | 00000 |
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 | 12" Overall Lg. | |||||||
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Size | Decimal Size Equivalent | Type | Size | Point Style | For Use On | Max. Drilling Dp. | Each | |
Letter | ||||||||
Uncoated Carbide-Tipped Steel | ||||||||
S | 0.348" | Round | 0.348" | Split | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 2.93" | 00000000 | 000000 |
High-Speed Steel Morse Taper-Shank Drill Bits

Install the Morse taper shank directly into the tapered spindle on machines such as drill presses and lathes.
For technical drawings and 3-D models, click on a part number.
Morse Taper | ||||||||||
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Size | Decimal Size Equivalent | No. | Dia. | Overall Lg. | Max. Drilling Dp. | Shank Type | Point Style | For Use On | Each | |
Inch | ||||||||||
Black-Oxide High-Speed Steel | ||||||||||
3/8" | 0.375" | 1 | 0.7" | 6 3/4" | 2.93" | Morse Taper | Standard | Steel, Iron, Stainless Steel | 00000000 | 000000 |