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Item NameISO 4762 Hexagon socket head cap screwsClassScrew,nut,bolt,washer,thread rod,etcMaterialGR1、GR2、GR3、GR4、GR5、GR7、GR11、GR12、GR23StandardISO 4762,DIN912,JISB1176-,GB/T70.1,ANSIB18.3.1MDimensionM18*35SurfacePolishing, Anodizing, Black oxide,ColoredPackingWooden CaseApplicationChemical, Industry, Petroleum, Aircraft, Bike, Car