The 2-Minute Rule for types of screw heads with pictures
Normally confused with a hex bolt, However they’re not the identical. A hex bolt makes use of a nut, whilst a hex head cap screw is installed inside of a tapped hole. Easy turn the head to tighten. They’re offered with or without a slotted generate.Even the design of the screw is these they strip for the prevention of more than tightening of th