DETAILED NOTES ON KINDS OF SCREW HEADS

Often confused with a hex bolt, but they’re not the same. A hex bolt utilizes a nut, while a hex head cap screw is put in within a tapped hole. Very simple convert the head to tighten. They’re accessible with or without a slotted drive.A bugle screw head is formed quite equally to some flat screw head; nevertheless, the bugle screw head feature