Recess - LH
A total of 6R-shaped torque transmission sections are dented on the outer circumference of screw head, with a zero degree tightening driving angle.
- Maximum torque transmission is achieved from 0 degree driving angle design
- Allows no cam-out of tightening tools
- Better fit between bit and screw, improves work efficiency
- Available high durability of tightening tools
Outstanding efficiency for tamper resistance by special tools