The Fact About types of screw heads That No One Is Suggesting
Quadrex: Not as prevalent as the opposite types, a quadrex screw generate is a combination of both a Phillips plus a sq. travel. it could be inserted with either a devoted quadrex driver, or that has a sq. or Phillip’s driver or bit of the identical sizing. The fillister head screw is characterised by a lesser head diameter and taller top compar