THE BASIC PRINCIPLES OF TYPES OF SCREW HEADS NAMES

Anchor bolt: Most often accustomed to safe wood plates to concrete, anchor bolts are inserted in to the tops of concrete walls whilst the concrete is still wet.This is a combination of the counter sunk and domed head. They are countersunk and also the top of The top protrudes above the area. They're mostly used to be a ornamental featureGet Phillip