A SECRET WEAPON FOR TYPES OF SCREW HEADS

Pan head screw heads get their title from resembling a pan structure. Pan head screws are like oval head screws where by The top of the screw is meant to sit out in the area they are fixed into. Hex cap screws are 6-sided bolts (hexagon) made which has a perforated hex head and also a washer confront within the bearing area. These types of screws