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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Material Material |
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Finish Finish |
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Flute Direction Flute Direction |
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Shank Type Shank Type |
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Bit Style Bit Style |
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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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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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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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Individual/Set Individual/Set |
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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.
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. | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | For Use On | Each | Pkg. Qty. | Pkg. | ||
Inch | ||||||||||||
Black-Oxide High-Speed Steel | ||||||||||||
| 1/64" | 0.0156" | 3/4" | 0.16" | Round | 1/64" | Split | Steel, Iron, Stainless Steel | 00000000 | 00000 | 12 | 00000000 | 000000 |
Wire Gauge | ||||||||||||
Black-Oxide High-Speed Steel | ||||||||||||
| 78 ga | 0.016" | 7/8" | 0.16" | Round | 0.016" | Split | Steel, Iron, Stainless Steel | 00000000 | 0000 | __ | 000000 | 00 |
| 77 ga | 0.018" | 7/8" | 0.16" | Round | 0.018" | Split | Steel, Iron, Stainless Steel | 00000000 | 0000 | __ | 000000 | 00 |
Titanium-Nitride (TiN) Coated High-Speed Steel | ||||||||||||
| 78 ga | 0.016" | 7/8" | 0.16" | Round | 0.016" | Standard | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Aluminum, Brass, Bronze, Plastic | 000000000 | 0000 | __ | 000000 | 00 |
| 77 ga | 0.018" | 7/8" | 0.16" | Round | 0.018" | Standard | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Aluminum, Brass, Bronze, Plastic | 000000000 | 0000 | __ | 000000 | 00 |
Uncoated High-Speed Steel | ||||||||||||
| 78 ga | 0.016" | 7/8" | 0.16" | Round | 0.016" | Standard | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 00000000 | 0000 | __ | 000000 | 00 |
| 77 ga | 0.018" | 7/8" | 0.16" | Round | 0.018" | Standard | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 00000000 | 0000 | __ | 000000 | 00 |
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.
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 | |
Wire Gauge—Spiral Flute | |||||||||
Uncoated High-Speed Steel | |||||||||
| 78 ga | 0.016" | 7/8" | 0.16" | Round | 0.016" | Standard | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
| 77 ga | 0.018" | 7/8" | 0.16" | Round | 0.018" | Standard | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 00000000 | 0000 |
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.
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 | For Use On | Each | |
Inch | |||||||||
Uncoated Cobalt Steel | |||||||||
| 1/64" | 0.0156" | 3/4" | 0.16" | Round | 1/64" | Standard | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel | 00000000 | 00000 |
Wire Gauge | |||||||||
Uncoated Cobalt Steel | |||||||||
| 78 ga | 0.016" | 7/8" | 0.16" | Round | 0.016" | Standard | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel | 00000000 | 0000 |
| 77 ga | 0.018" | 7/8" | 0.16" | Round | 0.018" | Standard | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel | 00000000 | 0000 |
Short-Length Cobalt Steel Drill Bits
Also known as screw-machine and stub-length bits, these provide maximum rigidity for drilling straighter holes than jobbers'-length drill bits. 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 | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | For Use On | Each | |
Wire Gauge | |||||||||
Titanium-Nitride (TiN) Coated Cobalt Steel | |||||||||
| 60 ga | 0.04" | 1 3/8" | 0.16" | Round | 0.04" | Split | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Fiberglass | 000000000 | 00000 |
| 59 ga | 0.041" | 1 3/8" | 0.16" | Round | 0.041" | Split | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Fiberglass | 000000000 | 0000 |
| 58 ga | 0.042" | 1 3/8" | 0.16" | Round | 0.042" | Split | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Fiberglass | 000000000 | 0000 |