Countersunk Washer 50Pcs Screw CNC Pure Copper Flat Head Gasket Industrial Supplies
- These screw washers are small in size, light in weight and easy to install and use.
- These screw washers have standard concentricity, smoothly exterior, concentric.
- The countersunk head screw gasket is made of pure copper, which is not easy to rot, moisture, and oxidation.
- Can be installed on many different types of materials. Wide range of applications.
- This screw washer is precisely matched, and the bearing exterior of the bolt is large, and the lock is firmer.
