NOT KNOWN DETAILS ABOUT TYPES OF SCREW HEADS

Square Head- Square heads aspect a sq. in the center of The pinnacle and they are common for screws and bolts. Hex cap screws are six-sided bolts (hexagon) designed having a perforated hex head and a washer experience about the bearing area. These types of screws are made use of to connect Wooden or metallic to Wooden. These screws have limited to