New Step by Step Map For types of screw heads
Washer-faced screws have a range of washers that functionality as springs to shorten the Place amongst a nut’s head and also the bolt’s head. Teeny point. The sq. head bolt has flat faces on The pinnacle, and so is Evidently meant to be driven that has a spanner, not a wrench. A countersunk screw head is where The top is sunk into your workpi