150 Pcs Black M12/M10/M8/M6/M5/M4/M3 Hex Lock Nuts Carbon Steel Nylon Insert Locknut Assortment Threaded Inserts Nut Set Assorted 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. 【Satisfaction Guarantee】If you have any problems when you use our products, please feel free to contact us on Amazon for a full refund or replacement service. We will contact you as soon as possible., Manufacturer: WeqeYent