DETAILS, FICTION AND TYPES OF SCREW HEADS

Pan head screw heads get their name from resembling a pan style and design. Pan head screws are like oval head screws where by The top with the screw is built to sit out with the surface They are really fastened into. Hex cap screws are 6-sided bolts (hexagon) built by using a perforated hex head along with a washer face about the bearing area. Th