Extra-Grip Fastener-Holding Nutdriver Bits
External Hex
Because they make contact on the flat sides of fasteners rather than only on the corners, these bits significantly reduce slipping and stripping. The groove in the shank fits directly into power tools. They are also known as lobular bits.
For technical drawings and 3-D models, click on a part number.
Overall | |||||||
|---|---|---|---|---|---|---|---|
| Drive Size | Bolt Clearance | Lg. | OD | Fastener-Holding Mechanism | Material | Each | |
1/4" Hex Shank Size for Power Tools | |||||||
| 1/4" | 1/8" | 1 7/8" | 7/16" | Magnet | Steel | 0000000 | 00000 |
| 1/4" | 1/8" | 2 5/8" | 7/16" | Magnet | Steel | 0000000 | 0000 |
| 5/16" | 1/8" | 1 7/8" | 1/2" | Magnet | Steel | 0000000 | 0000 |
| 5/16" | 1/8" | 2 5/8" | 1/2" | Magnet | Steel | 0000000 | 0000 |
| 3/8" | 3/16" | 1 7/8" | 9/16" | Magnet | Steel | 0000000 | 0000 |
| 3/8" | 3/16" | 2 5/8" | 9/16" | Magnet | Steel | 0000000 | 0000 |
| 7/16" | 3/16" | 2 9/16" | 5/8" | Magnet | Steel | 0000000 | 0000 |
| 7/16" | 3/16" | 2 5/8" | 5/8" | Magnet | Steel | 0000000 | 0000 |