System of Measurement System of Measurement |
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Length Class Length Class |
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 | Jobbers' Length |
 | Short Length |
For Use On For Use On |
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Material Material |
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Shank Type Shank Type |
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 | Round |
Maximum Drilling Depth Maximum Drilling Depth | Show |
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Maximum Drilling Depth Maximum Drilling Depth | Hide |
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Flute Direction Flute Direction |
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| Right Hand |
Finish Finish |
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Bit Style Bit Style |
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 | Spiral Flute |
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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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 | |||||||||
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| 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 | ||||||||||
| 2 ga. | 0.221" | 2 1/2" | 0.98" | Round | 0.221" | Split | ASME B94.11M | Steel, Iron, Stainless Steel | 00000000 | 00000 |
Letter | ||||||||||
Black-Oxide High-Speed Steel | ||||||||||
| L | 0.29" | 2 3/4" | 0.98" | Round | 0.29" | Split | NAS907 Type C | 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 | ||||||||||
| 2 ga. | 0.221" | 3 7/8" | 0.98" | Round | 0.221" | Split | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium | NAS907 Type D | 00000000 | 00000 |
Nonsparking Drill Bits
Drill safely in flammable environments. Made of Factory Mutual (FM) approved beryllium copper, these bits won’t create sparks that could ignite if they made contact with combustible vapors or residues. These drill bits help you meet OSHA requirements in areas such as mines, refineries, and chemical plants where flammable materials are present.
Do not use these bits in direct contact with acetylene. Dust from beryllium copper can be toxic, so don't grind or sharpen them.
Shank | ||||||||||
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| Drill Bit Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | Specifications Met | For Use On | Each | |
Inch | ||||||||||
Uncoated Beryllium Copper | ||||||||||
| 1/8" | 0.125" | 2 3/8" | 0.98" | Round | 1/8" | Standard | FM Approved | Aluminum, Copper, Brass, Fiberglass, Plastic | 00000000 | 0000000 |