220Pcs #4-40#6-32#8-32#10-24 1/4-20 5/16-18 3/8-16 UNC Nylon Insert Hex Lock Nuts Assortment Kit,7-Kinds 304 Stainless Steel SAE Self-Locking Nylon Insert Hex Lock Nuts

Guard4U 220Pcs #4-40 #6-32 #8-32 #10-24 1/4-20 5/16-18 3/8-16 UNC Stainless Steel Nylon Insert Hex Lock Nuts Assortment Kit *Nylon Insert Lock Nuts are also known as stop nuts. Lock nuts are used for fastening to a bolt when mechanically joining materials together. The bolt threads into the nylon material are located at the top of the nut. The purpose of the nylon insert is to prevent backing off or loosening from vibration. *Assortment of locknuts in SAE for various household and automotive applications. Perfect for professionals, DIYers, and more. *Material: 304 Stainless Steel, Nylon *Packed in a plastic box. List： Stainless Steel Nylon Insert Hex Lock Nuts #4-40: 50pcs Stainless Steel Nylon Insert Hex Lock Nuts #6-32: 40pcs Stainless Steel Nylon Insert Hex Lock Nuts #8-32: 40pcs Stainless Steel Nylon Insert Hex Lock Nuts #10-24: 30pcs Stainless Steel Nylon Insert Hex Lock Nuts 1/4-20: 30pcs Stainless Steel Nylon Insert Hex Lock Nuts 5/16-18: 20pcs Stainless Steel Nylon Insert Hex Lock Nuts 3/8-16: 10pcs These lock nuts are provisioned with nylon collars thus, eliminating the need for lock washers. These nylon collars of these nuts are made from an industrial-strength material has an increased grip, as a result, it’s likely to last much longer and be more difficult to undo. It also performs better compared to lock washers as it is made out of non-corrosive material therefore reduces its proneness to leaking. While the lock nuts themselves are made rigidly solid polymer making them highly resistant against turning, and they are more tightly adherent to each other which means that any exposure to vibration will not result in unlocking. Guaranteed to stay intact and in firm hold making them virtually indestructible.

• High Quality Nylon Insert Lock Nut Assortment Kit,Assortment of 150 standard nylon lock nuts in 7 common SAE sizes for convenient all-purpose use most ideal for professionals and DIYers.
• These Lock Nuts are quality 304 stainless steel which is high hardness and provides excellent rust resistance, making it long last use.
• Made with industrial-strength nylon collar capable enough to replace lock washers and prevent bolts from being exposed and coming out providing better security and firm hold. Performs better compared to lock washers as it is made out of non-corrosive material.
• Solid and sturdy polymer-insert lock nuts are highly resistant against turning, preventing the lock nuts from weakening and loosening under vibration and torque which reduces the strength of hold. Guaranteed to stay intact and in firm hold making virtually indestructible.
• Packing Quantity: #4-40(50Pcs),#6-32(40Pcs),#8-32(40Pcs),#10-24(30Pcs),1/4-20(30Pcs),5/16-18(20Pcs),3/8-16(10Pcs).Total 220Pcs.All contained in a sturdy and transparent plastic box, can be use for a storage box.