hex head bolt Made in China standard size hex bolt and nut Standard: DIN & ANSI & JIS & IFI Size: 1/2?-4?,M5-M64 Thread: unc,unf,metric thread Material: carbon steel, alloy steel, stainless steel Finish: Plain, ZincPlated(Clear/Blue/Yellow/Black), black oxide, H.D.G, DAC,GOEMET Packing: bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand Application: Structural Steel; Metal Buliding; Oil&Gas; Tower&Pole; Wind Energy Test Equipments: Caliper,Go&No-go gauge,Tensile test machine,Hardness tester,Salt spraying tester, H.D.G thickness tester, 3D detector,Projector,Magnetic flaw detecter Supply Ability: 500 tons per month MinimumOrder: 900kgs for each specification Trade Term: FOB/CIF/CFR/CNF/EXW/DDU/DDP Payment : T/T, L/C , D/A , D/P , Western Union ,MoneyGram ,etc Market: South&north Amrica/Europe/East&South east Asia/ Australia and ect.