Fully hardened and tempered for extended bit life under constant heavy-duty use. The tip is precision formed for proper use. Use when driving heat-treated or case-hardened screws such as sheet metal, self-tapping or self-drilling.
- Bosch reinforced screwdriver bits are designed to handle tough torque applications
- Made of the highest quality S2 tool steel for durability
- A proven sub-zero tempering process gives these bits long life
- Made in USA under ISO9001 standards
- Bosch reinforced screwdriver bits are designed to handle tough torque applications
- Made of the highest quality S2 tool steel for durability
- A proven sub-zero tempering process gives these bits long life
- Made in USA under ISO9001 standards