... washer,Pan washer,Flange,Square,T head,etc.3.Drive of screw :Torx/6-Lobe Socket,Hex Socket,Phillis,Pozi,Combi ... ,Slot,etc.4.Diameter:M2-M12 Length:3-2005.Metric/Inch6.Surface Finish ... .7.Package :General packing: 15-18Kg per Carbon, 60 Carbons for a Pallet. ISO/TS16949 fasteners bolts screws supply