The smart Trick of types of screw heads That No One is Discussing
Quadrex- Quadrex screw drives are a more one of a kind push in comparison with some of the selections offered. This travel style is a mix of Phillips drives and square recess drives. they may be mounted and removed with a standard Robertson, Phillips Device, or simply a quadrex Resource. Tri-Wing screw types are someplace involving a slotted a