HEXAGON HEAN BOLTS Standard:GB/T5780-5786 GB/T30 DIN931 DIN933 DIN558 DIN601 ISO4014-4018 JIS1180 ANSI/ASME B 18.2.1

HEXAGON HEAN BOLTSStandard:GB/T5780-5786 GB/T30 DIN931 DIN933 DIN558 DIN601 ISO4014-4018 JIS1180 ANSI/ASME B 18.2.1 

We supply the bolts, screws, nuts, rods, studs, washers and many other hardware products, made of carbon steel, alloy and stainless steel, aluminum, brass or other special materials. For finishing, we provide black oxide, zinc electroplating Cr+3, phosphate, mechanical galvanization, hot dip galvanization, Dacromet and other kinds. The products are produced in conformity with DIN, ANSI, AS, BS, JIS, GB, ISO or nonstandard specifications or against customers' requirements, in grades of 4.8, 6.8, 8.8, 10.9, 12.9, A2-50, A2-70 and A4-70etc

HEXAGON HEAN BOLTS