TYPES OF SCREW HEADS - AN OVERVIEW

The polydrive screw push, also referred to as RIBE,[seventy four] is spline-formed with rounded ends within the fastener head. The tool has 6 flat teeth at equal spacing; the dimensions are determined by the diameter with the star factors. An external Torx screw provides a projecting head in The form of the Torx screwdriver bit (as opposed to an o