Matkap Uçlu Vidalar

A Self-drilling screw is, essentially is a self-tapping screw with the added feature of a drill point end. Self-drilling screws eliminate the need for a pre-drilled pilot hole as they perform the drilling, tapping and fastening in one action. Hardened steel fixings are generally used when fixing metal to metal or metal to timber. You can learn more in our Daha Fazla Oku