1000 Pcs M3 M4 M5 Bolts Set, Nuts and Bolts Assortment Set, Cross Round Head ...
80 Pcs - M4 Lock Washers. 80 Pcs - M4 Flat Washers. 80 Pcs - M4 Nuts. The thread is uniform and smooth, the texture is clear, the use is balanced, the tightening effect is good, and it is not easy to slip.