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