5 Easy Facts About types of screw heads Described
A slotted screwdriver continues to be used to generate just on the list of two perpendicular slots found in the fastener head of the cross or double-slot screw drive. This kind is often present in roofing bolts as well as other similarly priced products that Possess a thread which is at least 5 mm (0. A torx screwdriver or little bit established i