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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Maximum Drilling Depth Maximum Drilling Depth | Show |
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Maximum Drilling Depth Maximum Drilling Depth | Hide |
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Length Class Length Class |
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 | Jobbers' Length |
 | Short Length |
Finish Finish |
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Material Material |
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Flute Direction Flute Direction |
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| Right Hand |
Shank Type Shank Type |
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 | Round |
Bit Style Bit Style |
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 | Spiral Flute |
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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Specifications Met Specifications Met |
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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.
Drill bits with a split point keep centered without a pilot hole.
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. | ||
Metric | |||||||||||||
Black-and-Gold Oxide High-Speed Steel | |||||||||||||
| 2.2 mm | 0.0866" | 57mm | 25.4mm | Round | 2.2mm | Split | NAS907 Type B | Steel, Iron, Stainless Steel | 000000000 | 00000 | 10 | 000000000 | 000000 |
| 2.3 mm | 0.0906" | 57mm | 25.4mm | Round | 2.3mm | Split | NAS907 Type B | Steel, Iron, Stainless Steel | 000000000 | 0000 | __ | 000000 | 00 |
Uncoated High-Speed Steel | |||||||||||||
| 1.2 mm | 0.0472" | 48mm | 25.4mm | Round | 1.2mm | Standard | __ | Steel, Iron, Stainless Steel, Aluminum, Bronze, Plastic | 00000000 | 0000 | __ | 000000 | 00 |
| 1.7 mm | 0.0669" | 51mm | 25.4mm | Round | 1.7mm | Standard | __ | Steel, Iron, Stainless Steel, Aluminum, Bronze, Plastic | 00000000 | 0000 | __ | 000000 | 00 |
| 1.75 mm | 0.0689" | 51mm | 25.4mm | Round | 1.8mm | Standard | __ | Steel, Iron, Stainless Steel, Aluminum, Bronze, Plastic | 00000000 | 0000 | __ | 000000 | 00 |
| 1.8 mm | 0.0709" | 51mm | 25.4mm | Round | 1.8mm | Standard | __ | Steel, Iron, Stainless Steel, Aluminum, Bronze, Plastic | 00000000 | 0000 | __ | 000000 | 00 |
| 1.9 mm | 0.0748" | 51mm | 25.4mm | Round | 1.9mm | Standard | __ | Steel, Iron, Stainless Steel, Aluminum, Bronze, Plastic | 00000000 | 0000 | __ | 000000 | 00 |
| 2.0 mm | 0.0787" | 51mm | 25.4mm | Round | 2mm | Standard | __ | Steel, Iron, Stainless Steel, Aluminum, Bronze, Plastic | 00000000 | 0000 | __ | 000000 | 00 |
Cobalt Steel Hole-Starting Drill Bits
The short flute and length keep these bits straight for accurate placement when starting holes that will be drilled deeper with a longer bit. Also known as spotting drill bits. Cobalt steel bits are heat resistant and maintain their sharp edges when drilling hard material. They are for use in both hand-held drilling and machine-tool applications.
Bits with a 90° point angle are for centering and chamfering holes that will be followed by a smaller drill bit size.
For technical drawings and 3-D models, click on a part number.
Shank | 90° Point Angle | ||||||||
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| Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | For Use On | Each | |
Metric | |||||||||
Uncoated Cobalt Steel | |||||||||
| 8.0 mm | 0.315" | 79mm | 25.4mm | Round | 8mm | Standard | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel | 00000000 | 000000 |
| 10.0 mm | 0.3937" | 89mm | 25.4mm | Round | 10mm | Standard | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel | 00000000 | 00000 |