304 Stainless Steel Button Head Socket Cap Screws Nuts Assortment Kit, 500 PCS/Box

1. Crafted from 304 stainless steel, it offers excellent rust, corrosion, and oxidation resistance, ensuring a long service life and suitability for various humid and challenging indoor and outdoor environments.
2. The set includes three commonly used sizes of pan-head/round-head hex socket screws (M3, M4, and M5, with lengths ranging from 8 mm to 20 mm) and matching hex nuts, providing a one-stop solution for diverse fastening needs.
3. The pan-head design provides a large contact area, and the deep, precision-fit hex socket ensures that the screw does not slip or strip during tightening, guaranteeing a secure and stable assembly.
4. Comes with a 15-compartment transparent plastic storage box. The lid features a clear size reference chart, allowing for organized storage of each size, making them easy to retrieve and preventing mix-ups.
5. Specifications: 30 pieces of M3 x 8; 30 pieces of M3 x 12; 30 pieces of M3 x 16; 30 pieces of M3 x 20; 120 M3 nuts; 20 pieces of M4 x 8; 20 pieces of M4 x 12; 20 pieces of M4 x 16; 20 pieces of M4 x 20; 80 M4 nuts; 15 M5 x 8; 15 M5 x 12; 10 M5 x 16; 10 M5 x 20; 50 M5 nuts
6. Box dimensions: approx. 17.2 x 9.7 x 2 cm
7. Weight: approx. 533.7 g