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Compare material, finish, length class, and decimal size equivalents.
Fast-Cutting Smooth-Finish Drill Bits for Wood
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Shank Size | Drill Bit Point Type | Each | |||
|---|---|---|---|---|---|---|---|---|---|
Black Oxide | |||||||||
 Screw Point | |||||||||
Quick-Change Hex Shank | |||||||||
| 1" | 1" | 5" | — | 7/16" | Screw | 3188A11 | 000000 | ||
| 1 1/8" | 1.125" | 5" | — | 7/16" | Screw | 3188A12 | 00000 | ||
| 1 1/4" | 1.25" | 5" | — | 7/16" | Screw | 3188A13 | 00000 | ||
| 1 3/8" | 1.375" | 5" | — | 7/16" | Screw | 3188A14 | 00000 | ||
| 1 1/2" | 1.5" | 5" | — | 7/16" | Screw | 3188A15 | 00000 | ||
| 1 3/4" | 1.75" | 5 1/8" | — | 7/16" | Screw | 3188A16 | 00000 | ||
| 2" | 2" | 5 1/8" | — | 7/16" | Screw | 3188A17 | 00000 | ||
| 2 1/8" | 2.125" | 5 1/8" | — | 7/16" | Screw | 3188A18 | 00000 | ||
| 2 1/4" | 2.25" | 5 1/8" | — | 7/16" | Screw | 3188A19 | 00000 | ||
| 2 9/16" | 2.5625" | 5 1/8" | — | 7/16" | Screw | 3188A21 | 00000 | ||
| 3" | 3" | 6 1/4" | — | 1/2" | Screw | 3188A22 | 000000 | ||
| 3 5/8" | 3.625" | 6 1/4" | — | 1/2" | Screw | 3188A23 | 000000 | ||
| 4 1/8" | 4.125" | 6 1/4" | — | 1/2" | Screw | 3188A41 | 000000 | ||
| 4 5/8" | 4.625" | 6 1/4" | — | 1/2" | Screw | 3188A24 | 000000 | ||
Uncoated | |||||||||
 Standard Point | |||||||||
Round Shank | |||||||||
| 1/4" | 0.25" | 4" | 2" | 1/2" | Standard | 2890A52 | 00000 | ||
| 5/16" | 0.3125" | 4" | 2" | 1/2" | Standard | 2890A53 | 00000 | ||
| 3/8" | 0.375" | 4" | 2" | 1/2" | Standard | 2890A54 | 00000 | ||
| 7/16" | 0.4375" | 4" | 2" | 1/2" | Standard | 2890A55 | 00000 | ||
| 1/2" | 0.5" | 5" | 3" | 1/2" | Standard | 2890A56 | 00000 | ||
| 9/16" | 0.5625" | 5" | 3" | 1/2" | Standard | 2890A57 | 00000 | ||
| 5/8" | 0.625" | 5" | 3" | 1/2" | Standard | 2890A58 | 00000 | ||
| 11/16" | 0.6875" | 5" | 3" | 1/2" | Standard | 2890A59 | 00000 | ||
| 3/4" | 0.75" | 6" | 4" | 1/2" | Standard | 2890A15 | 00000 | ||
| 13/16" | 0.8125" | 6" | 4" | 1/2" | Standard | 2890A16 | 00000 | ||
| 7/8" | 0.875" | 6" | 4" | 1/2" | Standard | 2890A17 | 00000 | ||
| 15/16" | 0.9375" | 6" | 4" | 1/2" | Standard | 2890A18 | 00000 | ||
| 1" | 1" | 6" | 4" | 1/2" | Standard | 2890A19 | 00000 | ||
| 1 1/16" | 1.0625" | 6" | 4" | 1/2" | Standard | 2890A21 | 00000 | ||
| 1 1/8" | 1.125" | 6" | 4" | 1/2" | Standard | 2890A22 | 00000 | ||
| 1 3/16" | 1.1875" | 6" | 4" | 1/2" | Standard | 2890A23 | 00000 | ||
| 1 1/4" | 1.25" | 6" | 4" | 1/2" | Standard | 2890A24 | 00000 | ||
| 1 5/16" | 1.3125" | 6" | 4" | 1/2" | Standard | 2890A25 | 00000 | ||
| 1 3/8" | 1.375" | 6" | 4" | 1/2" | Standard | 2890A26 | 00000 | ||
| 1 7/16" | 1.4375" | 6" | 4" | 1/2" | Standard | 2890A27 | 00000 | ||
| 1 1/2" | 1.5" | 6" | 4" | 1/2" | Standard | 2890A28 | 00000 | ||
| 1 9/16" | 1.5625" | 6" | 4" | 1/2" | Standard | 2890A29 | 00000 | ||
| 1 5/8" | 1.625" | 6" | 4" | 1/2" | Standard | 2890A31 | 00000 | ||
| 1 11/16" | 1.6875" | 6" | 4" | 1/2" | Standard | 2890A32 | 00000 | ||
| 1 3/4" | 1.75" | 6" | 4" | 1/2" | Standard | 2890A33 | 00000 | ||
| 1 13/16" | 1.8125" | 6" | 4" | 1/2" | Standard | 2890A34 | 00000 | ||
| 1 7/8" | 1.875" | 6" | 4" | 1/2" | Standard | 2890A35 | 00000 | ||
| 1 15/16" | 1.9375" | 6" | 4" | 1/2" | Standard | 2890A36 | 00000 | ||
| 2" | 2" | 6" | 4" | 1/2" | Standard | 2890A37 | 00000 | ||
| 2 1/8" | 2.125" | 6" | 4" | 1/2" | Standard | 2890A38 | 00000 | ||
| 2 1/4" | 2.25" | 6" | 4" | 1/2" | Standard | 2890A39 | 00000 | ||
| 2 3/8" | 2.375" | 6" | 4" | 1/2" | Standard | 2890A41 | 00000 | ||
| 2 1/2" | 2.5" | 6" | 4" | 1/2" | Standard | 2890A42 | 00000 | ||
| 2 3/4" | 2.75" | 6" | 4" | 1/2" | Standard | 2890A44 | 000000 | ||
| 2 7/8" | 2.875" | 6" | 4" | 1/2" | Standard | 2890A45 | 000000 | ||
| 3" | 3" | 6" | 4" | 1/2" | Standard | 2890A46 | 000000 | ||
Smooth-Finish Drill Bits for Wood
 |
Round Shank |
Multiple teeth cut away large amounts of material to bore clean, flat-bottom holes in wood. The center guide point keeps the bit stable and centered for drilling straight, angled, and overlapping holes, like those used create joints. Also known as Forstner bits.
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Shank Size | Drill Bit Point Type | Each | |||
|---|---|---|---|---|---|---|---|---|---|
Uncoated | |||||||||
Round Shank | |||||||||
| 1/4" | 0.25" | 3 1/2" | 3" | 5/16" | Standard | 3216A19 | 000000 | ||
| 5/16" | 0.3125" | 3 1/2" | 3" | 5/16" | Standard | 3216A37 | 00000 | ||
| 3/8" | 0.375" | 3 1/2" | 3" | 5/16" | Standard | 3216A21 | 00000 | ||
| 7/16" | 0.4375" | 3 1/2" | 3" | 5/16" | Standard | 3216A38 | 00000 | ||
| 1/2" | 0.5" | 3 1/2" | 3" | 5/16" | Standard | 3216A22 | 00000 | ||
| 9/16" | 0.5625" | 3 1/2" | 3" | 5/16" | Standard | 3216A39 | 00000 | ||
| 5/8" | 0.625" | 3 1/2" | 3" | 5/16" | Standard | 3216A23 | 00000 | ||
| 11/16" | 0.6875" | 3 1/2" | 3" | 5/16" | Standard | 3216A43 | 00000 | ||
| 3/4" | 0.75" | 3 1/2" | 3" | 5/16" | Standard | 3216A24 | 00000 | ||
| 13/16" | 0.8125" | 3 1/2" | 3" | 5/16" | Standard | 3216A44 | 00000 | ||
| 7/8" | 0.875" | 3 1/2" | 3" | 13/32" | Standard | 3216A25 | 00000 | ||
| 15/16" | 0.9375" | 3 1/2" | 3" | 13/32" | Standard | 3216A45 | 00000 | ||
| 1" | 1" | 3 1/2" | 3" | 13/32" | Standard | 3216A26 | 00000 | ||
| 1 1/16" | 1.0625" | 3 1/2" | 3" | 13/32" | Standard | 3216A46 | 00000 | ||
| 1 1/8" | 1.125" | 3 1/2" | 3" | 13/32" | Standard | 3216A27 | 00000 | ||
| 1 3/16" | 1.1875" | 3 1/2" | 3" | 13/32" | Standard | 3216A47 | 00000 | ||
| 1 1/4" | 1.25" | 3 1/2" | 3" | 13/32" | Standard | 3216A28 | 00000 | ||
| 1 5/16" | 1.3125" | 3 1/2" | 3" | 13/32" | Standard | 3216A48 | 00000 | ||
| 1 3/8" | 1.375" | 3 1/2" | 3" | 13/32" | Standard | 3216A29 | 00000 | ||
| 1 1/2" | 1.5" | 3 1/2" | 3" | 13/32" | Standard | 3216A31 | 00000 | ||
| 1 5/8" | 1.625" | 3 1/2" | 3" | 13/32" | Standard | 3216A32 | 00000 | ||
| 1 3/4" | 1.75" | 3 1/2" | 3" | 13/32" | Standard | 3216A33 | 00000 | ||
| 1 7/8" | 1.875" | 3 1/2" | 3" | 13/32" | Standard | 3216A34 | 00000 | ||
| 2" | 2" | 3 1/2" | 3" | 13/32" | Standard | 3216A35 | 00000 | ||
| 2 1/8" | 2.125" | 3 1/2" | 3" | 13/32" | Standard | 3216A36 | 00000 | ||
| 26.0 mm | 1.0236" | 89 mm | 76.2 mm | 10 mm | Standard | 2560N1 | 00000 | ||
| 35.0 mm | 1.378" | 89 mm | 76.2 mm | 10 mm | Standard | 2560N2 | 00000 | ||
Carbide-Tipped Smooth-Finish Drill Bits for Wood
 |
Carbide-Tipped Steel |
Drill Bit Size | Decimal Size Equiv. | Overall Lg. | Max. Drilling Dp. | Shank Size | Drill Bit Point Type | Each | |||
|---|---|---|---|---|---|---|---|---|---|
Carbide Tipped/Uncoated | |||||||||
Round Shank | |||||||||
| 1/4" | 0.25" | 3 1/2" | 3" | 5/32" | Standard | 8799A31 | 000000 | ||
| 3/8" | 0.375" | 3 1/2" | 3" | 1/4" | Standard | 8799A32 | 00000 | ||
| 1/2" | 0.5" | 3 1/2" | 3" | 5/16" | Standard | 8799A33 | 00000 | ||
| 5/8" | 0.625" | 3 1/2" | 3" | 5/16" | Standard | 8799A34 | 00000 | ||
| 3/4" | 0.75" | 3 1/2" | 3" | 3/8" | Standard | 8799A35 | 00000 | ||
| 7/8" | 0.875" | 3 1/2" | 3" | 3/8" | Standard | 8799A36 | 00000 | ||
| 1" | 1" | 3 1/2" | 3" | 3/8" | Standard | 8799A37 | 00000 | ||
| 1 1/8" | 1.125" | 3 1/2" | 3" | 3/8" | Standard | 8799A38 | 00000 | ||
| 1 1/4" | 1.25" | 3 1/2" | 3" | 3/8" | Standard | 8799A39 | 00000 | ||
| 1 3/8" | 1.375" | 3 1/2" | 3" | 3/8" | Standard | 8799A41 | 00000 | ||
| 1 1/2" | 1.5" | 3 1/2" | 3" | 3/8" | Standard | 8799A42 | 00000 | ||
| 1 5/8" | 1.625" | 3 1/2" | 3" | 3/8" | Standard | 8799A43 | 00000 | ||
| 1 3/4" | 1.75" | 3 1/2" | 3" | 3/8" | Standard | 8799A44 | 00000 | ||
| 1 7/8" | 1.875" | 3 1/2" | 3" | 3/8" | Standard | 8799A45 | 00000 | ||
| 2" | 2" | 3 1/2" | 3" | 3/8" | Standard | 8799A46 | 00000 | ||
| 2 1/8" | 2.125" | 3 1/2" | 3" | 3/8" | Standard | 8799A47 | 000000 | ||
Fast-Cutting Smooth-Finish Drill Bit Sets for Wood
 |
Not only do these bits bore holes faster than standard smooth-finish bits, they create less friction and heat buildup to last longer. The spurred teeth have a long life, but they're less effective at guiding the bit so cuts on angled and overlapping holes tend to be rougher. Also known as multispur bits.
Black Oxide—The dark finish increases wear resistance and reduces friction to improve chip flow, so these bits can last 50% longer than uncoated bits.
No. of Pieces | Drill Bit Sizes Included | Drill Bit Point Type | Shank Type | Container Type | Includes | Each | |||
|---|---|---|---|---|---|---|---|---|---|
Black Oxide | |||||||||
| 8 | 1 1/2", 1 1/4", 1 1/8", 1 3/4", 1", 2 1/8", 2 9/16" | Screw | Quick-Change Hex | Plastic Case | 5 1/2" Long Extension | 3188A33 | 0000000 | ||
Smooth-Finish Drill Bit Sets for Wood
 |
Multiple teeth cut away large amounts of material to bore clean, flat-bottom holes in wood. The center guide point keeps the bit stable and centered for drilling straight, angled, and overlapping holes, like those used create joints. Also known as Forstner bits.
