- Metric threaded M2 M3 M4 M5 button head screws washers and nuts assortment kit with the bolts length ranging from 8mm-20mm.
- Includes M2 / M3 / M4/ M5,4 size nuts and button head bolts、match Flat & Lock Washers, all neatly fitted in are in sturdy box for storage to prevent loss, by looking at the sticker on the surface of the box allows you to quickly find the type of screw, nut or washer ，total 1500 pieces.
- Widely used in variety of precision machinery, classification instruments, electronics, household appliances, communication products and other small repair work .
- For a complete list what the kit includes scroll down or click see more product details.
- Material of 304 stainless steel, not rust, anti-moisture, anti – oxidation, corrosion resistant, acid/alkali resistance, high hardness, suitable for DIY, 3D printing projects, or replace broken and missing screws
