Quick Details: Place of Origin:Zhejiang,Website: , China (Mainland)Name:crane rail clips boltsGrade:4.6, 5.6, 8.8, 10.9Material:35#,45#,40CrFinished: black, HDG, ZincPackage: wooden palletCold bending:90 degree without crackStandard refers:UIC864-2Application:tunnel constructionISO:9001:2008QC:ISO, TUVPackaging & DeliveryPackaging Details:As customer’s requestsDelivery Detail: 7 days after paymentSpecificationsCrane rail clips bolts 1.Name: bolt 2.Material: Carbon Steel 3.Certificate:ISO9001Namehigh strength countersunk boltTypeButton head oval neck track boltDiamond neck track boltsOr the type by customers’ drawingsGrade4.65.68.810.9MaterialQ23535#45#40CrMechanical      propertiesTensile strength≥400MpaTensile strength:      ≥500MpaTensile strength:      ≥800MpaTensile strength:      ≥1000MpaYield strength: ≥240MpaYield strength:≥300MpaYield strength:≥640MpaYield strength:≥900MpaElongation:≥22%Elongation:≥20%Elongation:≥12%Elongation:≥9%Cold bending:      90 degree without crackCold bending:      90 degree without crackCold bending:      90 degree without crackCold bending:      90 degree without crackSurfaceplain (oiled), Oxide black, Zinc, HDG, wax, bitumen,StandardUIC864-2Transport and shipping