NOT KNOWN FACTUAL STATEMENTS ABOUT DIFFERENT TYPES OF SCREW HEADS

Yankee Screwdriver: In lieu of making use of ball bearings, this screwdriver makes use of a spring-loaded mechanism. As an alternative to twisting the screw using your wrist, you place the screw head towards the screw and push it to tighten.Read on to learn about the commonest types of screws, and also screw head and travel types. Before long you�