150 Pcs Black M12/M10/M8/M6/M5/M4/M3 Hex Lock Nuts Carbon Steel Nylon Insert Locknut Assortment Threaded Inserts Hex Nut Set Assorted Nylon Locking Nuts(Black)

• 【Material】The hex lock nuts are made of nylon and carbon steel, making them strong and durable
• 【7 Sizes】Total 150 pcs nylon nuts. Include 40 pcs M3 lock nuts, 35 pcs M4, 25 pcs M5, 24 pcs M6, 20 pcs M8, 4 pcs M10, 2 pcs M12 locknut, which is more fully equipped
• 【Unique Design】With a nylon insert, these lock nuts greatly reduce loosening under vibrations and torque after long-term use, and have a good fastening effect
• 【Wide Application】The carbon steel nuts can be widely used in manual DIY production, robots, aerial aircraft, medical equipment, petrochemical industry, marine power facilities, architecture and other fields
• 【Nylon Insertion】Hexagon nut with a thread to prevent loosening, nylon insert prevents loosening and holds nut firm during vibration

【Product Features:】 These lock nuts have the characteristics of corrosion resistance and high hardness. There are no burrs and gaps, the thread is clear, and the surface is smooth and flat. 【Product Specification:】 Color: Black Material: Carbon Steel Size: 7 Sizes 【Package Include:】 M3 --- 40 PCS M4 --- 35 PCS M5 --- 25 PCS M6 --- 24 PCS M8 --- 20 PCS M10 --- 4 PCS M12 --- 2 PCS Storage Box --- 1 PCS 【Friendly Reminder:】 1.Products contain small parts, keep away from kids to prevent mistaken swallow! 2.Pay attention to stay away from humid environment to avoid rust! 3.Due to the light and screen difference, the color may be slightly different from the pictures. Please refer to the actual one.