... .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 ... :M6-M36Length:16mm-300mmFinishing: 1. Plain2.White Zinc Plated : CR3+ , CR+63.Yellow zinc plated 4. Black zinc plated5.Black6.Heat ...