... 1.Hex bolt, Hexagon Bolt, Fastener 2.DIN,ISO,JIS 3.ISO9001:2000 4.M6-M36 5.Carbon Steel,Alloy Steel Hex bolt, Hexagon Bolt, FastenerCertificate: ... ISO9001;2000Product name:Hex Bolts ,Hexagon Bolts,Hex Head BoltsMetric Standard:DIN933, ... )Also can pack products according to customers' requirement hex bolt din931-8.8 threaded rod