Hex flange boltstandard: ifi-111;din6921;iso15071;gb5787size: 14-34, m6-m20material: carbon steel, alloy steel, stainless steel, brassgrade: sae j429 gr.2, 5, 8; astm a307gr.a, class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9thread: m, unc, unffinish: plain, zinc plated(clearblueyellowblack), black oxide, nickel, chrome, h.d.gpacking: bulk in cartons (25kg max.)+wood pallet or according to customer special demandapplication: structural steel; metal building; oil&gas; tower&pole; wind energy; mechanical machine; automobile: home decoratingequipment: caliper, go&no-go gauge, tensile test machine, hardness tester, salt spraying tester, h.d.g thickness testersupply ability: 1000 tons per monthminimum order: 500kgs for each specificationtrade term: fobcifcfrcnfexwdduddppayment : tt, lc, etcmarket: south&north americaeuropeeast&south east asia australia and etc.Our advantage: one-stop shopping; high quality; competitive price; timely delivery; technical support; supply material and test reports; samples for freenotice: please lets know the size, quantity, material or grade, surface, if it is special and non-standard products, please supply the drawing or photos or samples to us