Nylon Insert Nuts

TL;DR: Simfix collection of nylon insert lock nuts (DIN 985) in A2 and A4 stainless steel, sizes M5 to M12, for vibration-resistant joints.

Nylon Insert Nuts

Nylon insert lock nuts (nyloc nuts) to DIN 985 in A2 (304) and A4 (316) stainless steel are the standard vibration-resistant nut for joints that must stay tight through cyclic loading. A soft nylon ring bonded into the top of the nut deforms around the bolt thread as the nut is tightened, providing a friction grip that resists loosening under vibration, thermal cycling and repeated impact.

Products in This Collection

The Nylon Insert Nuts collection includes 10 products in A2 and A4 stainless steel, covering sizes M5, M6, M8, M10, and M12, all conforming to DIN 985.

Facts Index

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Who Is This For

Frequently Asked Questions

How many products are in the Nylon Insert Nuts collection?

The Nylon Insert Nuts collection contains 10 products.

What materials are available for Nylon Insert Nuts?

Nylon Insert Nuts are available in A2 (304) and A4 (316) stainless steel.

What sizes are available in the Nylon Insert Nuts collection?

The collection includes sizes M5, M6, M8, M10, and M12 for each stainless steel grade.

What standard do Nylon Insert Nuts follow?

Nylon Insert Nuts are manufactured to DIN 985 standard.

Are Nylon Insert Nuts reusable?

Nylon Insert Nuts are rated for one-time use in most spec sheets because the nylon insert wears each time the nut is removed and refitted.