System of Measurement System of Measurement |
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For Use On For Use On |
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Length Class Length Class |
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 | Jobbers' Length |
Shank Type Shank Type |
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| Round | Morse Taper |
Material Material |
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Flute Direction Flute Direction |
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| Right Hand |
Individual/Set Individual/Set |
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Bit Style Bit Style |
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 | Spiral Flute |
 | Parabolic Spiral Flute |
Maximum Drilling Depth Maximum Drilling Depth | Show |
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Maximum Drilling Depth Maximum Drilling Depth | Hide |
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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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Drill Bit Decimal Size Equivalents
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About Drill Bits
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Drill Bits
These jobbers'-length bits have the rigidity and length required for most applications.
Black-oxide and black-and-gold-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 oxide-coated drill bits.
For technical drawings and 3-D models, click on a part number.
Shank | Each | |||||||||
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| Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | Specifications Met | For Use On | Each | |
Metric | ||||||||||
Black-Oxide High-Speed Steel | ||||||||||
| 12.0 mm | 0.4724" | 151mm | 77mm | Round | 12mm | Standard | DIN 338 | Steel, Iron, Stainless Steel | 00000000 | 000000 |
Titanium-Nitride (TiN) Coated High-Speed Steel | ||||||||||
| 12.0 mm | 0.4724" | 151mm | 77mm | Round | 12mm | Standard | DIN 338 | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Aluminum, Brass, Bronze, Plastic | 0000000 | 00000 |
Chip-Clearing Drill Bits
These jobbers'-length bits have the rigidity and length required for most applications. The flutes are designed to lift chips out of the hole, reducing clogging and improving coolant flow.
Parabolic spiral flute drill bits have wider flutes for more efficient chip evacuation than spiral-flute 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 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | For Use On | Specifications Met | Each | |
Metric—Parabolic Spiral Flute | ||||||||||
Uncoated High-Speed Steel | ||||||||||
| 12.0 mm | 0.4724" | 151mm | 77mm | Round | 12mm | Split | Steel, Iron, Aluminum, Brass, Bronze, Plastic | DIN 338 | 0000000 | 000000 |
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.
Gold-oxide drill bits produce less friction 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 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | Specifications Met | For Use On | Each | |
Metric | ||||||||||
Gold-Oxide Cobalt Steel | ||||||||||
| 12.0 mm | 0.4724" | 151mm | 77mm | Round | 12mm | Split | NAS907 Type J | Steel, Hardened Steel, Iron, Stainless Steel, Nickel | 000000000 | 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.
Morse Taper | |||||||||||
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| Size | Decimal Size Equivalent | No. | Dia. | Overall Lg. | Max. Drilling Dp. | Shank Type | Point Style | Specifications Met | For Use On | Each | |
Metric | |||||||||||
Black-Oxide High-Speed Steel | |||||||||||
| 12.0 mm | 0.4724" | 1 | 0.475" | 182mm | 77mm | Morse Taper | Standard | DIN 345 | Steel, Iron, Stainless Steel | 00000000 | 000000 |
| 19.25 mm | 0.758" | 2 | 0.7" | 238mm | 77mm | Morse Taper | Standard | DIN 345 | Steel, Iron, Stainless Steel | 0000000 | 00000 |
Drill Bits for Plastic
The sharp point allows for gradual penetration to reduce friction and eliminate cracking and chipping when drilling in plastic. These bits are jobbers' length and have the rigidity and length required for most applications.
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 | |
Metric | ||||||||
Uncoated High-Speed Steel | ||||||||
| 7.5 mm | 0.2953" | 109mm | 77mm | Round | 7.5mm | Standard | 000000000 | 000000 |