A REVIEW OF TYPES OF SCREW HEADS

The shaft will be the very long metallic rod in the screw that prospects from The pinnacle to a degree. This is certainly threaded completely or partly which has a ridge to screw into components or make pilot holes. You will also find types of screws with flat bottoms that are meant to be tapped into holes rather than screwed. A countersunk screw

The hexalobular socket screw drive, normally referred to by the initial proprietary model name Torx get more info ( /ˈtɔːrks/) or by the alternative generic identify star generate, employs a star-formed recess during the fastener with six rounded factors. it absolutely was meant to permit amplified torque transfer from the driver into the bit wh