LITTLE KNOWN FACTS ABOUT TYPES OF SCREW HEADS.

A slotted screw head was the main method of screw heads to get created. It was the cheapest to create and was uncomplicated. This steel is softer, here non-magnetic, and has a reduced density. It is good to implement in tasks that you would like to avoid corrosion. the principle benefits of using aluminum screws are that they're lightweight and wi