types of screw heads Things To Know Before You Buy
Quadrex: Not as frequent as one other types, a quadrex screw travel is a mix of both a Phillips as well as a square travel. it may be inserted with both a focused quadrex driver, or with a sq. or Phillip’s driver or little bit of exactly the same size. Sheet metal screws are used to be part of two pieces of sheet metallic with each other, along