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Drill Bit Shank Adapters for Power Screwdrivers and Impact Drivers
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For use in power screwdrivers and impact drivers that accept a 1/4" hex shank, each adapter holds a variety of round-shank drill bit sizes for quick tool changes.
For Drill Bit Size | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
In. | Metric, mm | Wire Gauge | Letter | Decimal Equiv. Range | For Drill Bit Shank Type | Shank Type | Hex Shank Size | Overall Lg. | Material | Each | ||
| 1/16" | 1.4, 1.45, 1.5, 1.55, 1.6 | 52 Ga., 53 Ga., 54 Ga. | — | 0.047" to 0.062" | Round | Hex | 1/4" | 1 3/4" | Steel | 3185A41 | 00000 | |
| 5/64" | 1.7, 1.75, 1.8, 1.85, 1.9, 1.95, 2 | 45 Ga., 46 Ga., 47 Ga., 48 Ga., 49 Ga., 50 Ga., 51 Ga. | — | 0.065" to 0.08" | Round | Hex | 1/4" | 1 3/4" | Steel | 3185A42 | 0000 | |
| 3/32" | 2.1, 2.15, 2.2, 2.25, 2.3, 2.35, 2.4 | 40 Ga., 41 Ga., 42 Ga., 43 Ga., 44 Ga. | — | 0.081" to 0.096" | Round | Hex | 1/4" | 1 3/4" | Steel | 3185A43 | 0000 | |
| 7/64" | 2.5, 2.6, 2.7, 2.8 | 33 Ga., 34 Ga., 35 Ga., 36 Ga., 37 Ga., 38 Ga., 39 Ga. | — | 0.095" to 0.11" | Round | Hex | 1/4" | 1 3/4" | Steel | 3185A44 | 0000 | |
| 1/8" | 2.9, 3, 3.1, 3.2 | 30 Ga., 31 Ga., 32 Ga. | — | 0.111" to 0.126" | Round | Hex | 1/4" | 1 3/4" | Steel | 3185A45 | 0000 | |
| 9/64" | 3.3, 3.4, 3.5, 3.6 | 27 Ga., 28 Ga., 29 Ga. | — | 0.126" to 0.141" | Round | Hex | 1/4" | 1 3/4" | Steel | 3185A46 | 0000 | |
| 5/32" | 3.7, 3.8, 3.9, 4 | 20 Ga., 21 Ga., 22 Ga., 23 Ga., 24 Ga., 25 Ga., 26 Ga. | — | 0.144" to 0.159" | Round | Hex | 1/4" | 1 3/4" | Steel | 3185A47 | 0000 | |
| 11/64" | 4.1, 4.2, 4.3, 4.4 | 16 Ga., 17 Ga., 18 Ga., 19 Ga. | — | 0.158" to 0.173" | Round | Hex | 1/4" | 1 3/4" | Steel | 3185A48 | 0000 | |
| 3/16" | 4.5, 4.6, 4.7, 4.8 | 11 Ga., 12 Ga., 13 Ga., 14 Ga., 15 Ga. | — | 0.174" to 0.189" | Round | Hex | 1/4" | 1 3/4" | Steel | 3185A49 | 0000 | |
| 13/64" | 4.9, 5, 5.1, 5.2 | 5 Ga., 6 Ga., 7 Ga., 8 Ga., 9 Ga., 10 Ga. | — | 0.189" to 0.204" | Round | Hex | 1/4" | 2 1/4" | Steel | 3185A51 | 0000 | |
| 7/32" | 5.3, 5.4, 5.5, 5.6 | 2 Ga., 3 Ga., 4 Ga. | — | 0.205" to 0.22" | Round | Hex | 1/4" | 2 1/4" | Steel | 3185A52 | 0000 | |
| 15/64" | 5.7, 5.8, 5.9, 6 | 1 Ga. | A, B | 0.223" to 0.238" | Round | Hex | 1/4" | 2 1/4" | Steel | 3185A53 | 0000 | |
| 1/4" | 6.1, 6.2, 6.3, 6.4 | — | C, D, E | 0.237" to 0.252" | Round | Hex | 1/4" | 2 1/4" | Steel | 3185A54 | 0000 | |
| 9/32" | 6.8, 6.9, 7, 7.1, 7.2 | — | I, J, K | 0.268" to 0.283" | Round | Hex | 1/4" | 2 1/4" | Steel | 3185A61 | 0000 | |
| 5/16" | 7.3, 7.4, 7.5, 7.6 | — | L, M, N | 0.287" to 0.302" | Round | Hex | 1/4" | 2 1/4" | Steel | 3185A62 | 0000 | |
| 3/8" | 9.2, 9.3, 9.4, 9.5 | — | U, V | 0.362" to 0.377" | Round | Hex | 1/4" | 2 1/4" | Steel | 3185A63 | 0000 | |
Bit Adapters for Impact Drivers
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Hex Shank Size | For Bit Shank Type | For Bit Hex Shank Size | Overall Lg. | Material | Each | |||
|---|---|---|---|---|---|---|---|---|
Magnet Bit Holder | ||||||||
| 1/4" | Hex, Quick-Change Hex | 1/4" | 3" | Steel | 7225A76 | 000000 | ||
Bit Sets For Impact Drivers
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Tougher than your average bits, the ones in these sets have a thin, flexible section on the shank that absorbs 30 times the impact force. They are heat treated for hardness and manufactured to tight tolerances, so they won't snap or slip under high stress.
Hex Shank—Use a bit adapter (not included) to attach these bits to power tools.
Wear-Resistant Diamond-Coated Steel—Diamond particles embedded in the tip bite into the screw head for a strong grip. Our most wear-resistant bits, these maintain their grip and shape, even when driving screws into tough materials.
No. of Pieces | Components Included | Bits Included | Adapters Included | Material | Container Type | Each | |||
|---|---|---|---|---|---|---|---|---|---|
For Hand Tools | |||||||||
1/4" Hex Shank Size | |||||||||
| 10 | 1 Adapter 9 Bits | Phillips: No. 2 (1" O'all Lg.)—3 ea. Phillips: No. 3 (1" O'all Lg.)—1 ea. Torx: T25 (1" O'all Lg.)—3 ea. Torx: T30, T40 (1" O'all Lg.)—1 ea. | 1/4" Female Hex × 1/4" Male Hex for Power Tools | Diamond-Coated Steel | Plastic Case | 2779N12 | 000000 | ||
| 30 | 1 Adapter 29 Bits | Hex: 3 mm, 4 mm, 5 mm, 6 mm (1" O'all Lg.)—1 ea. Phillips: No. 1 (1" O'all Lg.)—2 ea. Phillips: No. 2 (1" O'all Lg.)—3 ea. Phillips: No. 3 (1" O'all Lg.)—2 ea. Pozidriv®: No. 1, No. 3 (1" O'all Lg.)—2 ea. Pozidriv®: No. 2 (1" O'all Lg.)—3 ea. Torx: T10, T15 (1" O'all Lg.)—1 ea. Torx: T20, T30, T40 (1" O'all Lg.)—2 ea. Torx: T25 (1" O'all Lg.)—3 ea. | 1/4" Female Hex × 1/4" Male Hex for Power Tools | Diamond-Coated Steel | Plastic Case | 2779N11 | 000000 | ||
