Length Class Length Class |
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| Jobbers' Length |
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| Short Length |
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| Extended Length |
System of Measurement System of Measurement |
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Material Material |
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Finish Finish |
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For Use On For Use On |
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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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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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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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Maximum Drilling Depth Maximum Drilling Depth | Show |
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Maximum Drilling Depth Maximum Drilling Depth | Hide |
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Drill Bit Decimal Size Equivalents
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About Drill Bits
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Short-Length Drill Bits
Also known as screw-machine and stub-length bits, these provide maximum rigidity for drilling straighter holes than jobbers'- and maintenance-length drill bits.
Black-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 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Drill Bit Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | Specifications Met | For Use On | Each | |
Wire Gauge | ||||||||||
Black-Oxide High-Speed Steel | ||||||||||
| 17 ga. | 0.173" | 2 1/4" | 0.86" | Round | 0.173" | Split | ASME B94.11M | Steel, Iron, Stainless Steel | 00000000 | 00000 |
| 16 ga. | 0.177" | 2 1/4" | 0.86" | Round | 0.177" | Split | ASME B94.11M | Steel, Iron, Stainless Steel | 00000000 | 0000 |
Short-Flute Cobalt Steel Drill Bits
The short flutes on these jobbers'-length bits provide increased rigidity for drilling straighter holes. 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. A split point keeps the bit centered without a pilot hole.
For technical drawings and 3-D models, click on a part number.
Shank | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Drill Bit Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | For Use On | Specifications Met | Each | |
Wire Gauge | ||||||||||
Black-Oxide Cobalt Steel | ||||||||||
| 16 ga. | 0.177" | 3 3/8" | 0.86" | Round | 0.177" | Split | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium | NAS907 Type D | 00000000 | 00000 |
| 15 ga. | 0.18" | 3 3/8" | 0.86" | Round | 0.18" | Split | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium | NAS907 Type D | 00000000 | 0000 |
Short-Flute Extended-Length Cobalt Steel Drill Bits
The short flutes provide increased rigidity for drilling straighter holes and the long length lets you access hard-to-reach spots. With better heat and wear resistance than high-speed steel, these cobalt steel bits can run up to 25% faster and have a longer tool life. A split point keeps the bit centered without a pilot hole.
For technical drawings and 3-D models, click on a part number.
Shank | 6" Overall Lg. | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Drill Bit Size | Decimal Size Equivalent | Max. Drilling Dp. | Type | Size | Point Style | Specifications Met | For Use On | Each | |
Wire Gauge | |||||||||
Uncoated Cobalt Steel | |||||||||
| 51 ga. | 0.067" | 0.86" | Round | 0.067" | Split | NAS907 Type J | Steel, Hardened Steel, Iron, Stainless Steel, Nickel | 00000000 | 00000 |
| 50 ga. | 0.07" | 0.86" | Round | 0.07" | Split | NAS907 Type J | Steel, Hardened Steel, Iron, Stainless Steel, Nickel | 00000000 | 0000 |
Drill Bits for Aluminum, Brass, and Bronze
Because softer metal, like aluminum, brass, and bronze, can clog a bit, the flutes on these bits lift chips out of the hole. Also known as slow-spiral drill bits. They 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.
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 | |||||||||
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| Drill Bit Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | For Use On | Each | |
Wire Gauge | |||||||||
Uncoated High-Speed Steel | |||||||||
| 51 ga. | 0.067" | 2" | 0.86" | Round | 0.067" | Standard | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
| 50 ga. | 0.07" | 2" | 0.86" | Round | 0.07" | Standard | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 00000000 | 0000 |