Material: 304 Stainless Steel
â—� 304 stainless steel has high strength and hardness ratings and resists corrosion in mild environments.
â—� It uses a stamped steel insert which acts as a locking mechanism by deforming over the threads of the bolt.
â—� Lock nuts are used for fastening to a bolt when mechanically joining materials together, prevent backing off or loosening from vibration.
50 x M4 Steel Lock NutsMore Details: