... head bolts ItemDescriptionNameDIN 931 Hexagon head boltsStandardDin, ISO, ASTM, BC, JS.MaterialCarbon steel, Stainless steel, Steel alloy, Aluminum alloy, Brass, Copper ... 's requirement.Software for Drawing Pro/E, UG, AutoCAD, Solidwork 2001, CAXAQuality CertificationsISO9001: 2000RoHS CompliantHigh quality and Competitive priceTimely delivery and ...