All sizes are available,According to your samples.

Carbon steel(1008/Q195/A307),Stainless steel(A2/A4/304/316),Brass,Copper and so on.

zinc plated,black,hot dipped galvanized,nickel plated,stainless steel etc.

Used in construction and industry to fasten metal or other hard material.

website:http://www.fh-fasteners.com/products.asp?sort_id=29&id=131