Material:Stainless steel (304, 316, 201), carbon steel (35#, 45#), galvanized, aluminum alloy, copper, carbon steel and so on. Standard:GB,DIN,BS,ISO,JIS,ANSI,UNC,Nonstandard or your demand Size:M2-M48 or as request Length:According to customer requirements Color:black,color zinc,etc Finish:Plain,Zinc Plated(Clear/Blue/Yellow/Black), Black oxide,Nickel,grey phosphate,nickel,ruspert,H.D.G,etc Grade:4.8,8.8,12.8,A2,A4,T4,T6 etc Minimumordel: Not limited to. Our strengths: one-stop service, high quality, competitive prices, on-time delivery, technical support, supply of materials and test reports. Notice: PLEASE ADVISE SIZE, QUANTITY, MATERIAL OR GRADE, SURFACE, if customized please provide drawing or size.