TS16949 fasteners bolts screws supply High tensile bolt Plating: Zinc,Nickle,copper,etc. ... ,Cheese,C.S.K,Oval,Hexagon,Hexagon washer,Pan washer,Flange,Square,T head,etc.3.Drive of screw :Torx/6 ... ,Combi,Slot,etc.4.Diameter:M2-M12 Length:3-2005.Metric/Inch6.Surface Finish: Steel can do self colour,black oxide ...