Silicon bronze often referred to simply as bronze,is an alloy made
mostly of copper and tin with a small amount of silicon.Bronze is
used primarily in marine environments, Wooden boats and
restoration. Our silicon bronze wood screw(C65100,C65500) was made
to ANSI,DIN,BS,etc. Length: 4mm-150mm Diameter: #3 - #24 Head
style:Flat,Oval,Round,etc. Packing:polybag and carton Sending
sample free of charge.