Clear All
System of Measurement System of Measurement |
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Size Size |
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Decimal Size Equivalent Decimal Size Equivalent |
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For Use On For Use On |
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Material Material |
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Finish Finish |
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Shank Type Shank Type |
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| Round | Hex |
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| Quick-Change Hex | Tapered Square |
Point Style Point Style | Show |
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| Screw |
Point Style Point Style | Hide |
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| Split |
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| Standard |
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| Four Facet |
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| Brad |
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| Screw |
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| Multi-Point |
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| Notched |
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| Serrated |
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| Carbide Insert |
Bit Style Bit Style |
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 | Multi-Tooth |
 | Open Spiral Flute |
Individual/Set Individual/Set |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Flute Direction Flute Direction |
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Container Type Container Type |
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Number of Pieces Number of Pieces |
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Drill Bit Decimal Size Equivalents
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About Drill Bits
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Chip-Clearing Drill Bits for Wood
Tapered Square/Round Shank
Hex/Round Shank
Quick-Change Hex Shank
An open spiral-flute design clears chips quickly, so these bits can bore smooth, deep holes through construction lumber, railroad ties, and utility poles. Also known as pole or ship auger bits.
Tapered square/round-shank drill bits have a tapered square shank that can be cut off to expose a round shank.
Hex/round-shank drill bits have a hex shank that can be cut off to expose a 1/2" round shank.
Black-oxide and clear-coated steel drill bits produce less friction than uncoated steel drill bits.
For technical drawings and 3-D models, click on a part number.
| Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Shank Size | Point Style | Each | |
Inch—Tapered Square/Round Shank | |||||||
|---|---|---|---|---|---|---|---|
Uncoated Steel | |||||||
| 3/8" | 0.375" | 18" | 12" | 3/8" | Screw | 0000000 | 000000 |
| 1/2" | 0.5" | 18" | 12" | 3/8" | Screw | 0000000 | 00000 |
| 9/16" | 0.5625" | 18" | 12" | 3/8" | Screw | 0000000 | 00000 |
| 5/8" | 0.625" | 18" | 12" | 3/8" | Screw | 0000000 | 00000 |
| 3/4" | 0.75" | 18" | 12" | 5/16" | Screw | 0000000 | 00000 |
| 7/8" | 0.875" | 18" | 12" | 5/16" | Screw | 0000000 | 00000 |
| 1" | 1" | 18" | 12" | 5/16" | Screw | 0000000 | 00000 |
Inch—Hex/Round Shank | |||||||
Uncoated Steel | |||||||
| 9/16" | 0.5625" | 29" | 24" | 7/16" | Screw | 0000000 | 00000 |
| 5/8" | 0.625" | 29" | 24" | 7/16" | Screw | 0000000 | 00000 |
| 11/16" | 0.6875" | 29" | 24" | 7/16" | Screw | 0000000 | 00000 |
| 3/4" | 0.75" | 29" | 24" | 7/16" | Screw | 0000000 | 00000 |
| 13/16" | 0.8125" | 29" | 24" | 7/16" | Screw | 0000000 | 00000 |
| 7/8" | 0.875" | 29" | 24" | 7/16" | Screw | 0000000 | 00000 |
| 1" | 1" | 29" | 24" | 7/16" | Screw | 0000000 | 00000 |
| 1 1/16" | 1.0625" | 29" | 24" | 7/16" | Screw | 0000000 | 000000 |
Inch—Quick-Change Hex Shank | |||||||
Black-Oxide Steel | |||||||
| 1/2" | 0.5" | 17" | 12" | 3/8" | Screw | 0000000 | 00000 |
| 9/16" | 0.5625" | 17" | 12" | 7/16" | Screw | 0000000 | 00000 |
| 5/8" | 0.625" | 17" | 12" | 7/16" | Screw | 0000000 | 00000 |
| 3/4" | 0.75" | 17" | 12" | 7/16" | Screw | 0000000 | 00000 |
| 7/8" | 0.875" | 17" | 12" | 7/16" | Screw | 0000000 | 00000 |
| 1" | 1" | 17" | 12" | 7/16" | Screw | 0000000 | 00000 |
| 1 1/8" | 1.125" | 17" | 12" | 7/16" | Screw | 0000000 | 00000 |
| 1 1/4" | 1.25" | 17" | 12" | 7/16" | Screw | 0000000 | 00000 |
| 1 3/8" | 1.375" | 17" | 12" | 7/16" | Screw | 0000000 | 00000 |
| 1 1/2" | 1.5" | 17" | 12" | 7/16" | Screw | 0000000 | 00000 |
| 1 3/4" | 1.75" | 17" | 12" | 7/16" | Screw | 0000000 | 00000 |
| 2" | 2" | 17" | 12" | 7/16" | Screw | 0000000 | 00000 |
Clear-Coated Steel | |||||||
| 7/16" | 0.4375" | 18" | 15.5" | 5/16" | Screw | 0000000 | 00000 |
Uncoated Steel | |||||||
| 3/4" | 0.75" | 8" | 5" | 7/16" | Screw | 0000000 | 00000 |
| 7/8" | 0.875" | 8" | 5" | 7/16" | Screw | 0000000 | 00000 |
| 1" | 1" | 8" | 5" | 7/16" | Screw | 0000000 | 00000 |
| 1 1/4" | 1.25" | 8" | 5" | 7/16" | Screw | 0000000 | 00000 |
| 1 3/8" | 1.375" | 6 1/2" | 4" | 7/16" | Screw | 0000000 | 00000 |
| 1 1/2" | 1.5" | 6 1/2" | 4" | 7/16" | Screw | 0000000 | 00000 |
Fast-Cutting Drill Bits for Wood
The screw point draws the bit in, quickly boring holes without applying pressure.
Shank | |||||||
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| Size | Decimal Size Equivalent | Overall Lg. | Type | Size | Point Style | Each | |
Inch | |||||||
Black-Oxide Steel | |||||||
| 1" | 1" | 5" | Quick-Change Hex | 7/16" | Screw | 0000000 | 000000 |
| 1 1/8" | 1.125" | 5" | Quick-Change Hex | 7/16" | Screw | 0000000 | 00000 |
| 1 1/4" | 1.25" | 5" | Quick-Change Hex | 7/16" | Screw | 0000000 | 00000 |
| 1 3/8" | 1.375" | 5" | Quick-Change Hex | 7/16" | Screw | 0000000 | 00000 |
| 1 1/2" | 1.5" | 5" | Quick-Change Hex | 7/16" | Screw | 0000000 | 00000 |
| 1 3/4" | 1.75" | 5 1/8" | Quick-Change Hex | 7/16" | Screw | 0000000 | 00000 |
| 2" | 2" | 5 1/8" | Quick-Change Hex | 7/16" | Screw | 0000000 | 00000 |
| 2 1/8" | 2.125" | 5 1/8" | Quick-Change Hex | 7/16" | Screw | 0000000 | 00000 |
| 2 1/4" | 2.25" | 5 1/8" | Quick-Change Hex | 7/16" | Screw | 0000000 | 00000 |
| 2 9/16" | 2.5625" | 5 1/8" | Quick-Change Hex | 7/16" | Screw | 0000000 | 00000 |
| 3" | 3" | 6 1/4" | Quick-Change Hex | 1/2" | Screw | 0000000 | 000000 |
| 3 5/8" | 3.625" | 6 1/4" | Quick-Change Hex | 1/2" | Screw | 0000000 | 000000 |
| 4 1/8" | 4.125" | 6 1/4" | Quick-Change Hex | 1/2" | Screw | 0000000 | 000000 |
| 4 5/8" | 4.625" | 6 1/4" | Quick-Change Hex | 1/2" | Screw | 0000000 | 000000 |
Fast-Cutting Drill Bit Sets for Wood
The screw point draws the bit in, quickly boring holes without applying pressure.
| Number of Pieces | Drill Bit Sizes Included | Shank Type | Point Style | For Use On | Includes | Each | |
Inch | |||||||
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Black-Oxide Steel | |||||||
| 8 | 1 1/8"; 1 1/4"; 1 1/2"; 1 3/4"; 1"; 2 1/8"; 2 9/16" | Quick-Change Hex | Screw | Wood | 5 1/2" Long Extension | 0000000 | 0000000 |