If your project or purchase needs Wear Resistance Nylon Lock Nut, we can provide a quality inspection certificate for this nut. The certificate has no extra fancy content, just the necessary details. It lists the product’s batch number, material type, and test results like thread accuracy and locking performance.
Each certificate has a unique number, so you can trace back the production info if needed. It’s issued after checking random samples from the batch, making sure they meet basic industry standards. The document is simple, no complicated terms. It can come with this certificate—just mention your need when placing the order, and we’ll include it with the goods.
This Wear Resistance Nylon Lock Nut is mainly used to keep bolts from loosening on their own, especially in places with vibration. You’ll see it a lot in small machinery—like lawnmowers, electric tools, or small motors. It works because the inner nylon insert grips the bolt thread tightly, so even when the machine shakes, the nut stays put.
It’s also common in DIY projects. People use it for building workbenches, fixing furniture, or assembling bike parts. In automotive parts, it’s used for small components that don’t bear too much weight. For outdoor gear like garden fences or small metal frames, it’s a good choice too, as long as the metal type fits the environment. It is simple to use and fits most standard bolts, making it useful for both home and light industrial jobs.
Q: What if the Wear Resistance Nylon Lock Nut get rusty during shipping? How do you handle such issues?
A:We package them with moisture-proof materials to avoid rust. Small orders are in plastic bags with desiccants, and bulk orders use sealed cartons with moisture-proof liners. But if you still receive rusty nuts, take photos of the package and the rusty pieces first—this helps us check where the problem happened. Then send the photos to us, and we’ll either send replacements for the rusty part or refund that portion of your order. You won’t have to bear the loss for rust caused by shipping or packaging issues.
| D P | H | M | S | ||
| M3 | 0.5 | 3.8 | 2.4 | 5.42 | |
| M4 | 0.7 | 4.8 | 2.9 | 6.93 | |
| M5 | 0.8 | 4.9 | 3.2 | 7.89 | |
| M6 | 1 | 5.9 | 4 | 9.83 | |
| M8 | 1.25 | 7.8 | 5.5 | 12.92 | |
| M10 | 1.5 | 9.8 | 6.5 | 16.92 | |
| M12 | 1.75 | 11.6 | 8 | 18.92 | |
| M14 | 2 | 13.8 | 9.5 | 21.93 | |
| M16 | 2 | 15.8 | 10.5 | 23.96 | |
| M18 | 2.5 | 17.9 | 13 | 26.84 | |
| M20 | 2.5 | 19.3 | 14 | 29.54 | |
| M22 | 2.5 | 21.3 | 15 | 31.53 | |
| M24 | 3 | 23.4 | 16 | 35.85 | |
| M27 | 3 | 26.3 | 17 | 40.45 | |
| M30 | 3.5 | 29.3 | 19 | 45.62 | |
| M33 | 3.5 | 32.5 | 22 | 49.51 | |
| M36 | 4 | 35.1 | 25 | 54.41 | |
| M39 | 4 | 38.5 | 38 | 59.54 | |
| M42 | 4.5 | 41.5 | 29 | 64.21 | |
| M45 | 4.5 | 44.5 | 32 | 69.41 | |
| M48 | 5 | 47.6 | 36 | 74.45 | |