Not known Factual Statements About types of screwdriver heads
Torx screwdrivers have star-formed strategies and are sometimes called star screwdrivers. With tox screwdrivers, the 6 round lobes in the suggestion have a considerable place of connection with the screw head, which aids for improved torque software.Tamper-proof fasteners: Tamper-evidence screws have screw heads that need special motorists to inser