System of Measurement System of Measurement |
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Decimal Size Equivalent Decimal Size Equivalent | Show |
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Decimal Size Equivalent Decimal Size Equivalent | Hide |
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For Use On For Use On |
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Length Class Length Class |
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 | Jobbers' Length |
 | Short Length |
Material Material |
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Finish Finish |
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Flute Direction Flute Direction |
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| Right Hand |
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Shank Type Shank Type |
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 | Round |
Shank Size Shank Size |
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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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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 | Pkg. | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | Specifications Met | For Use On | Each | Pkg. Qty. | Pkg. | ||
Metric | |||||||||||||
Black-Oxide High-Speed Steel | |||||||||||||
| 1.3 mm | 0.0512" | 38mm | 13.4mm | Round | 1.3mm | Standard | DIN 338 | Steel, Iron, Stainless Steel | 0000000 | 00000 | __ | 000000 | 00 |
Black-and-Gold Oxide High-Speed Steel | |||||||||||||
| 1.3 mm | 0.0512" | 48mm | 19mm | Round | 1.3mm | Standard | NAS907 Type B | Steel, Iron, Stainless Steel | 000000000 | 0000 | 10 | 000000000 | 000000 |
Titanium-Nitride (TiN) Coated High-Speed Steel | |||||||||||||
| 1.3 mm | 0.0512" | 38mm | 13.4mm | Round | 1.3mm | Standard | DIN 338 | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Aluminum, Brass, Bronze, Plastic | 0000000 | 0000 | __ | 000000 | 00 |
Uncoated High-Speed Steel | |||||||||||||
| 1.3 mm | 0.0512" | 48mm | 22.2mm | Round | 1.3mm | Standard | __ | Steel, Iron, Stainless Steel, Aluminum, Bronze, Plastic | 00000000 | 0000 | __ | 000000 | 00 |
Short-Length Drill Bits
Black-oxide drill bits produce less friction than uncoated drill bits.
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 | ||||||||||
Black-Oxide High-Speed Steel | ||||||||||
| 1.3 mm | 0.0512" | 30mm | 5.4mm | Round | 1.3mm | Standard | DIN 1897 | Steel, Iron, Stainless Steel | 00000000 | 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.
Titanium-aluminum-nitride (TiAlN) coated drill bits are the most wear and temperature resistant for the longest life and highest drilling speeds.
Drill bits with a split point keep centered without a pilot hole.
Shank | Each | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | Specifications Met | For Use On | Each | |
Metric | ||||||||||
Uncoated Cobalt Steel | ||||||||||
| 1.3 mm | 0.0512" | 38mm | 13.4mm | Round | 1.3mm | Split | NAS907 Type J | Steel, Hardened Steel, Iron, Stainless Steel, Nickel | 00000000 | 00000 |
Titanium-Nitride (TiN) Coated Cobalt Steel | ||||||||||
| 1.3 mm | 0.0512" | 38mm | 16mm | Round | 1.3mm | Split | DIN 338, NAS907 Type J | Steel, Hardened Steel, Iron, Stainless Steel, Nickel, Titanium, Fiberglass | 0000000 | 0000 |
Titanium-Aluminum-Nitride (TiAlN) Coated Cobalt Steel | ||||||||||
| 1.3 mm | 0.0512" | 38mm | 16mm | Round | 1.3mm | Split | DIN 338, NAS907 Type J | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Fiberglass | 00000000 | 00000 |
High-Speed Steel Left-Hand Drill Bits
Also known as reverse-flute bits, the flutes spiral in the opposite direction of other bits. Use in counterclockwise drilling applications such as removing broken screws. 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 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | For Use On | Specifications Met | Each | |
Metric | ||||||||||
Uncoated High-Speed Steel | ||||||||||
| 1.3 mm | 0.0512" | 38mm | 12.1mm | Round | 1.3mm | Standard | Steel, Iron, Aluminum, Brass, Bronze, Plastic | DIN 338 | 00000000 | 000000 |