304 Stainless Steel Nylon Insert Lock Nuts Kit, M3 M4 M5 M6 M8 M10 M12 Hex Locknut Set, 182 PCS/Box

1. The main body is made of 304 stainless steel, offering excellent rust resistance, corrosion resistance, and oxidation resistance, making it suitable for various humid and harsh environments, both indoors and outdoors.
2. A blue nylon ring is embedded at the top of the nut; the friction generated by the compression of the nylon effectively prevents vibration and loosening, ensuring stable and reliable locking performance.
3. Includes 7 commonly used sizes: M3 (46 pcs), M4 (36 pcs), M5 (32 pcs), M6 (32 pcs), M8 (16 pcs), M10 (12 pcs), and M12 (8 pcs), meeting fastening needs across multiple scales.
4. Packaged in a portable, transparent, compartmentalized plastic case; the inner lid features a clear label card indicating specifications and quantities, allowing for organized storage and easy identification and retrieval
5. Widely applicable for bolt fastening in automotive repair, mechanical equipment, piping installation, furniture construction, and various high-vibration environments
6. Material: 304 stainless steel