NOT KNOWN DETAILS ABOUT TYPES OF SCREW HEADS DIAGRAM

Hex cap screws are 6-sided bolts (hexagon) produced which has a perforated hex head and also a washer confront on the bearing floor. These types of screws are utilized to connect wood or metallic to wood. These screws have limited tolerances on physique Proportions and have a chamfer.As we go in the direction of the best on the screw, it thins some