NOT KNOWN DETAILS ABOUT TYPES OF SCREW HEADS

Pan: Employed in several programs that require a flat-bottomed screw, pan heads are the commonest type of rounded screws. you'll be able to efficiently substitute pan head screws for other spherical designs. Hex cap screws are 6-sided bolts (hexagon) created that has a perforated hex head plus a washer face to the bearing surface. These types of