ProductsMetal Clips Products Washers Circlips Metal Clips Spring Pins Nuts Speed Nuts Customized Parts CW200445 Name :Self Retaining Nuts Material :Carbon Steel, Stainless Steel, Other Materials Hardness :HRC 40~50 Size :M4~M12 Description : Specification Back Related Products CW200433 CW200439 CW200442 CW200448 CW200455 CW200456