Hex Bolt 1)Materials:stainless steel A2,A4 2)Size:M5~M24 3)Standards:GB,ISO,ANSI,DIN,JIS Superior quality,competitive price Hex Bolt Materials:stainless steel A2,A4Size:M5~M24Standards:GB,ISO,ANSI,DIN,JISOur products have good quality,large production capacity,timely deilivery,competitive price. We can provide the best service to you. Hex Bolt