Drill Bit Size Drill Bit Size |
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For Use On For Use On |
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Bit Style Bit Style |
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 | Straight Flute |
 | Flat Blade |
Shank Type Shank Type |
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| Round | Quick-Change Hex |
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Decimal Size Equivalent Decimal Size Equivalent |
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Shank Size Shank Size |
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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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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Drill Bit Decimal Size Equivalents
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About Drill Bits
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Carbide Drill Bits for Sheet Metal
Harder, stronger, and more wear resistant than high-speed steel, solid-carbide bits maintain their sharp edges longer. They require rigid toolholding to prevent breakage and should not be used in hand-held drilling applications. These bits have short flutes and a sturdy construction which prevent snagging that deforms sheet metal and thin-wall tubing.
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 | |
Inch | |||||||||
Uncoated Carbide | |||||||||
| 1/16" | 0.0625" | 1 1/2" | 0.19" | Round | 1/16" | Standard | Steel, Iron, Stainless Steel | 0000000 | 000000 |
| 3/32" | 0.0938" | 1 1/2" | 0.25" | Round | 3/32" | Standard | Steel, Iron, Stainless Steel | 0000000 | 00000 |
| 1/8" | 0.125" | 1 1/2" | 0.31" | Round | 1/8" | Standard | Steel, Iron, Stainless Steel | 0000000 | 00000 |
| 5/32" | 0.1563" | 2" | 0.38" | Round | 5/32" | Standard | Steel, Iron, Stainless Steel | 0000000 | 00000 |
| 3/16" | 0.1875" | 2" | 0.38" | Round | 3/16" | Standard | Steel, Iron, Stainless Steel | 0000000 | 00000 |
| 7/32" | 0.2188" | 2" | 0.5" | Round | 7/32" | Standard | Steel, Iron, Stainless Steel | 0000000 | 00000 |
| 1/4" | 0.25" | 2" | 0.5" | Round | 1/4" | Standard | Steel, Iron, Stainless Steel | 0000000 | 00000 |
| 9/32" | 0.2813" | 2" | 0.5" | Round | 9/32" | Standard | Steel, Iron, Stainless Steel | 0000000 | 00000 |
| 5/16" | 0.3125" | 2 1/2" | 0.63" | Round | 5/16" | Standard | Steel, Iron, Stainless Steel | 0000000 | 00000 |
| 11/32" | 0.3438" | 2 1/2" | 0.63" | Round | 11/32" | Standard | Steel, Iron, Stainless Steel | 0000000 | 00000 |
| 3/8" | 0.375" | 2 1/2" | 0.63" | Round | 3/8" | Standard | Steel, Iron, Stainless Steel | 0000000 | 00000 |
| 13/32" | 0.4063" | 2 1/2" | 0.63" | Round | 13/32" | Standard | Steel, Iron, Stainless Steel | 0000000 | 00000 |
| 7/16" | 0.4375" | 2 3/4" | 0.63" | Round | 7/16" | Standard | Steel, Iron, Stainless Steel | 0000000 | 00000 |
| 15/32" | 0.4688" | 3" | 0.63" | Round | 15/32" | Standard | Steel, Iron, Stainless Steel | 0000000 | 00000 |
| 1/2" | 0.5" | 3" | 0.63" | Round | 1/2" | Standard | Steel, Iron, Stainless Steel | 0000000 | 00000 |
Metric | |||||||||
Uncoated Carbide | |||||||||
| 3.0 mm | 0.1181" | 38mm | 6mm | Round | 3mm | Standard | Steel, Iron, Stainless Steel | 0000000 | 00000 |
| 4.0 mm | 0.1575" | 50mm | 8mm | Round | 4mm | Standard | Steel, Iron, Stainless Steel | 0000000 | 00000 |
| 5.0 mm | 0.1968" | 50mm | 10mm | Round | 5mm | Standard | Steel, Iron, Stainless Steel | 0000000 | 00000 |
| 6.0 mm | 0.2362" | 50mm | 12mm | Round | 6mm | Standard | Steel, Iron, Stainless Steel | 0000000 | 00000 |
Flat-Blade Drill Bits for Wood
Also known as spade bits, these have a centering point and two cutting edges for boring holes in hard and soft wood.
For technical drawings and 3-D models, click on a part number.
6" Overall Lg. | 16" Overall Lg. | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Drill Bit Size | Decimal Size Equivalent | Shank Size | Point Style | Shank Type | Max. Drilling Dp. | Each | Shank Type | Max. Drilling Dp. | Each | ||
Inch | |||||||||||
Uncoated Steel | |||||||||||
| 1/4" | 0.25" | 1/4" | Standard | Quick-Change Hex | 4 1/2" | 0000000 | 00000 | __ | __ | 000000 | 00 |
| 5/16" | 0.3125" | 1/4" | Standard | Quick-Change Hex | 4 1/2" | 0000000 | 0000 | __ | __ | 000000 | 00 |
| 3/8" | 0.375" | 1/4" | Standard | Quick-Change Hex | 4 1/2" | 0000000 | 0000 | Hex | 14 1/4" | 0000000 | 000000 |
| 7/16" | 0.4375" | 1/4" | Standard | Quick-Change Hex | 4 1/2" | 0000000 | 0000 | __ | __ | 000000 | 00 |
| 1/2" | 0.5" | 1/4" | Standard | Quick-Change Hex | 4 1/2" | 0000000 | 0000 | Hex | 14 1/4" | 0000000 | 00000 |
| 9/16" | 0.5625" | 1/4" | Standard | Quick-Change Hex | 4 1/2" | 0000000 | 0000 | __ | __ | 000000 | 00 |
| 5/8" | 0.625" | 1/4" | Standard | Quick-Change Hex | 4 1/2" | 0000000 | 0000 | Hex | 14 1/4" | 0000000 | 00000 |
| 11/16" | 0.6875" | 1/4" | Standard | Quick-Change Hex | 4 1/2" | 0000000 | 0000 | __ | __ | 000000 | 00 |
| 3/4" | 0.75" | 1/4" | Standard | Quick-Change Hex | 4 1/2" | 0000000 | 0000 | Hex | 14 1/4" | 0000000 | 00000 |
| 13/16" | 0.8125" | 1/4" | Standard | Quick-Change Hex | 4 1/2" | 0000000 | 0000 | __ | __ | 000000 | 00 |
| 7/8" | 0.875" | 1/4" | Standard | Quick-Change Hex | 4 1/2" | 0000000 | 0000 | Hex | 14 1/4" | 0000000 | 00000 |
| 15/16" | 0.9375" | 1/4" | Standard | Quick-Change Hex | 4 1/2" | 0000000 | 0000 | __ | __ | 000000 | 00 |
| 1" | 1" | 1/4" | Standard | Quick-Change Hex | 4 1/2" | 0000000 | 0000 | Hex | 14 1/4" | 0000000 | 00000 |
| 1 1/8" | 1.125" | 1/4" | Standard | Quick-Change Hex | 4 1/2" | 0000000 | 0000 | __ | __ | 000000 | 00 |
| 1 1/4" | 1.25" | 1/4" | Standard | Quick-Change Hex | 4 1/2" | 0000000 | 0000 | __ | __ | 000000 | 00 |
| 1 3/8" | 1.375" | 1/4" | Standard | Quick-Change Hex | 4 1/2" | 0000000 | 0000 | __ | __ | 000000 | 00 |
| 1 1/2" | 1.5" | 1/4" | Standard | Quick-Change Hex | 4 1/2" | 0000000 | 0000 | __ | __ | 000000 | 00 |
Adjustable-Size Flat-Blade Drill Bits for Wood
Cut a variety of hole sizes with one bit—slide the blade to the desired cutting diameter marked on the bit and then tighten the screw. Bits include two blades, each with a different size range. Use in a drill press; they are not recommended for use with handheld drills. They have a centering point and two cutting edges for boring holes in hard and soft wood. Also known as spade bits.
Flat-Blade Drill Bit Sets for Wood
Also known as spade bits, these have a centering point and two cutting edges for boring holes in hard and soft wood.
For technical drawings and 3-D models, click on a part number.