Material: Meng Steel. Surface treatment: black oxidation.
Replace traditional hex nuts to reduce weight or for applications that require lower torque.
Provide elasticity, firm grip, can be permanently fixed, widely used in mechanical equipment, shock absorption and insulation in industrial production.
For 5/8 inch shafts. The phosphate oil coating provides additional corrosion protection.
The lock washer exerts an elastic force between the fastener head and the base material to generate greater friction and rotation resistance.