5 Simple Techniques For types of screw heads uk
Torx screwdrivers have star-shaped strategies and are sometimes known as star screwdrivers. With tox screwdrivers, the 6 round lobes at the idea have a substantial region of connection with the screw head, which aids for improved torque software.This is the variation in the counter sunk screw head, but the less than floor of the head is curved, jus