NOT KNOWN FACTS ABOUT TYPES OF SCREW HEADS

The shaft could be the extensive metallic rod with the screw that leads from the head to a point. This is often threaded thoroughly or partially by using a ridge to screw into elements or make pilot holes. In addition there are types of screws with flat bottoms that are supposed to be tapped into holes in place of screwed. flat head screwhex head

The hexalobular socket screw travel, often referred to by the original proprietary model name Torx ( /ˈtɔːrks/) or by the alternative generic title star drive, makes use of a star-formed recess inside the fastener with 6 rounded factors. it had been meant to allow greater torque transfer from the motive force towards the little bit when compared