Quick facts
- Brand: Railer
- Price: USD 9.99
- Rating: 4.70 (550 reviews)
If you drive a lot of 5/16″ hex head screws and bolts, having a few dedicated bits on hand can save time on swaps and downtime. This Railer set includes five 2-inch (0.313″) 5/16″ hex impact driver bits designed for impact power tools.
You can view the current price and full details on Amazon here.
Built from premium S2 steel, these bits are made to handle high-torque work. The precise-machined tip is intended to seat cleanly to help reduce stripping, while the optimized torsion zone is designed to absorb torque and help cut down on bit breakage. A 1/4″ quick-release shank makes them easy to use with compatible drivers and holders.
- 5-pack of 2-inch 5/16″ hex impact driver bits (0.313″)
- Premium S2 steel, optimized for impact power tools
- Precise machining for an exact-fit tip to help reduce stripping
- Heat-hardened to withstand tough jobs
- Torsion zone helps absorb torque and reduce bit breakage
Compatibility: Designed for hex head screws and bolts, size 5/16″ or larger, with a 1/4″ shank interface.











