... can process screws and nuts of different materials 2.ISO9001 & RoHS 3.Standard:JIS,ANSI,DIN,BSW,ISO,GB Specifications1. Item ... patchCategory we can process1. by componentsBolts, Screw bolts/Studs, Nuts, Tapping screws, Wooden screws, Washers/Gaskets, Check rings, Pins ... , Torx, Triangle drive, Indented hexagon and etc.Certificates:ISO 9001:2008 and RoHs compliance,Non-standard fastener orders are ...