The TengTools 910508 is an 8 mm hex impact driver bit with a 5/16-inch hex drive, designed for use with 1/2-inch drive impact drivers. Manufactured from durable S2 steel, it is intended for fastening and loosening screws with internal hex (Allen) heads, including grub screws. The bit is approximately 47 mm long, providing a compact yet robust solution for automotive, maintenance, engineering, and workshop applications where high torque and impact resistance are required.
5/16inch hex Impact bit for use with 1/2inch drive impact drivers.
| Drive | Description | Length (mm) |
| 5/16inch | 8mm hex impact bit | 36.0 |