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 Full Hex Nut(C65100,C65500 alloy) 5/16-18:
Width across flats:0.50"
Width across corners:0.577"
Thickness:0.273"
Unit weight: 5.36g