... SGS,ROHS 1.The specification of All kinds of cnc part 1)Features:1.Head type: flat/countersunk ... , Bag, Pallet8.Free Samples available 2) All kinds of cnc part series Details: StandardsISO, DIN, AS/NZS, GB, ANSI ... round head screw, slotted countersunk screw, slotted cap head screw, cross recessed screw, torx socket screw, set screw, machine screw, knurled screw, aluminum screw, wing screw,etc.Carbon ...