Bit Style Bit Style | Show |
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| Flat Blade | |
Bit Style Bit Style | Hide |
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| Spiral Flute | |
| Parabolic Spiral Flute | |
| Multidiameter | |
| Straight Flute | |
| Multi-Tooth | |
| Hollow | |
| Open Spiral Flute | |
| Flat Blade | |
| Spear | |
System of Measurement System of Measurement |
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Drill Bit Size Drill Bit Size |
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For Use On For Use On |
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Shank Type Shank Type |
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| Quick-Change Hex | |
Point Style Point Style |
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| Standard |
Decimal Size Equivalent Decimal Size Equivalent |
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Material Material |
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Individual/Set Individual/Set |
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Finish Finish |
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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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Container Type Container Type |
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Drill Bit Decimal Size Equivalents
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About Drill Bits
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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.


























