1080 Pcs Hex Socket Screw 304 Stainless Steel Screw Nut Flat Washer M2 M3 M4

Nuts and flat jackets expand the contact area and reduce pressure to protect the screws and parts.

Made of high-quality elements, promotes environmental protection and is guaranteed to be Hg-free and non-toxic, making it generally non-toxic.

This kit can be widely used in various accurate machinery, accurate instruments, instrumentation, electronic products, household appliances, communication products, locks, lamps, lamps, toys and so on.

The kit including 18 kinds of screws,3 kinds of nut and 3 kinds of flat washer.

These tools are integrated in a box,portable and convenient to access and store.