... ,DIN, IFI,UNC,UNC,JIS, BS,BSW ,ISO3.Specification:Screw:M3-M24 Bolt: M4-M64*L6—300mm Nut: M2.5-M64 Washer ... : M2.5-M64----.Hexagon scoket head cap screw(DIN912) ,the diameter ... min M2 -max M36 -----Hexagon head bolt(DIN933),the diameter min M3 ...