BETOY 165 Pieces Lock Nuts, Locknut Assortment，Hex Screw Nylon Insert Lock High Quality Nut Assortment Kit with Carrying Case M3 M4 M5 M6 M8 M10 M12

• These lock nuts are made of zinc plated carbon steel for durability, high quality, has good rust resistance and is easy to operate.
• Nylon insert lock nuts have a undersized nylon washer that creates friction with the mating threads to prevent loosening, and provide a locking action.
• There are many different sizes of lock nut that you can use for different bolts, includes M3, M4, M5, M6, M8, M10, M12 total 165pcs, meet your different needs.
• The kit is equipped with a free plastic storage box, so you can easily find the desired master model and store it easily.
• Lock nut assortment is suitable for professional and DIY projects, widely applied to automobile, construction machinery, shipbuilding and etc. They are amazing replacement for normal nuts.

Product Information: Material: Carbon steel Galvanized, Nylon Package quantity: 165 pieces Size: Show as in the picture. Product Features: Antirust, Corrosion Resistance, Quality Product, High Quality Material Features: Anti-rust, Corrosion-resistant Type: Nylon Lock Nuts Package list: Material: Zinc plated carbon steel+nylon Size : M3*45pcs M4*35pcs M5*30pcs M6*25pcs M8*15pcs M10*10pcs M10*5pcs