Product Description

Silicon bronze fasteners are excellent for use in many marine and commercial applications which was made from copper with silicon added for strength.Silicon bronze is known as a high-strength alloy,having a several important factors including high conductivity,excellent corrosion resistant to sea water,gases,sewage and atmospheric conditions. 
Silicon Bronze Heavy  Hex Nut(C65100,C65500 alloy) 1/4-20:
Width across flats:1/2"
Width across corners:0577"
Thickness:15/64"
Unit weight:5.6g