The button head cap screw has a dome-shaped head that provides good looks, as well as is functionally efficient. This is also unlike any other screws because it allows a wider bearing surface in the design of a button head; thus, reducing the possibilities of material damage. Commonly manufactured from high-strength materials such as stainless steel, alloy steel, and carbon steel, the... https://www.dalloyedbolts.com/button-head-cap-screw-manufacturers-suppliers-stockists-exporters.html