[Fastening Efficiency] This washer is precisely matched, and the bearing exterior of the bolt is large, and the lock is firmer.
The production and manufacturing of the product follow strict product quality control standards, the product quality is reliable, the performance is stable, and you can rest assured for a long time use.
[Good Craft] The countersunk washers have standard concentricity, smoothly exterior, concentric.
[High Quality] The countersunk fasten gasket is made of copper, it is not easy rusty, it is sturdy for long service life.
There are total 50pcs M3~M6 4 kinds of different specifications countersunk washer to select, which has enough quantity to meet your needs.