NEW STEP BY STEP MAP FOR TYPES OF SCREW HEADS

Pan: Used in several apps that demand a flat-bottomed screw, pan heads are the commonest type of rounded screws. you are able to effectively substitute pan head screws for other spherical styles. Hex cap screws are 6-sided bolts (hexagon) produced which has a perforated hex head as well as a washer encounter on the bearing surface area. These typ