Top latest Five different types of screw heads Urban news
Yankee Screwdriver: As opposed to using ball bearings, this screwdriver employs a spring-loaded mechanism. Rather than twisting the screw with the wrist, you put the screw head versus the screw and force it to tighten.Ratchet Screwdriver: Ratcheting screwdrivers aspect an interior ball-bearing system that makes turning the screw easy and repetitive