din436 1.size M10,M12,M16,M20,M22,M24,M27,M30,M33,M36,M39 2.standard, ... 3.material:stainles steel,carbon steel,copper din436 1.size M10,M12,M16,M20,M22,M24,M27,M30,M33,M36,M39 2.standard ... , carbon steel, copper, iron,spring steel and brass.3. Size3. M10-M524. Certificate4. ISO9001:2000 RoHS certification 5. Features5. Good anti ...