Features of 304 Nylon Insert Lock Nut:
👉Strong anti-loosening performance
👉High-quality nylon insert
👉Corrosion-resistant stainless steel
👉Suitable for vibration environments
Product Description
Our stainless steel nylon insert lock nuts (also known as Nyloc nuts) are designed to provide reliable locking performance in applications subject to vibration and movement. The nylon insert creates friction with the bolt threads, preventing loosening over time.
Manufactured from 304 and 316 stainless steel, these lock nuts offer excellent corrosion resistance and are suitable for both indoor and outdoor applications.
Applications
- Automotive Industry;
- Machinery & Equipment;
- Construction Projects;
- Electrical Equipment;
- Industrial Assembly;
Why Choose Hysing Metal:
- Rich export experience
- Stable product quality
- Custom sizes & packaging
- Fast delivery time
- Professional service team
Payment:
- Online orders with our store – PayPal.
- Offline bulk orders – Bank Transfer or PayPal.
Shipment:
- Please note that deliver to PO BOX address is available for products below 22kg and 1M length. Please make sure you have provided a correct physical address during checkout on products of excessive size.
- Our shipping system cannot accept order changes or cancellation after payment is made. You can follow our return policy for more information.
- To aid in smooth and speed of delivery, ensure your address is correct during the checkout. With correct information provided, your order is dispatched within 2-3 business days. Any changes to address after payment made will not be considered.
- Please allow 8-16 working days for product to arrive. We highly recommend providing an answerable contact number and email address as we do make call to follow up item delivery status.
- Shipping time:
- United States – 14 working days
- Canada – 16 working days
- Austraila – 12 working days
- New Zealand – 12 working days
- Singapore – 8 working days
- United Kingdom – 12 working days
- Italy, Spain, Portugal, Czech, Denmark – 12 working days
- Saudi Arabia, United Arab Emirates, Kuwait – 12 working days
- Philippines – 8 working days
- Delivery is not available on weekends, public holidays or after business hours.
- Please note a re-delivery fee will be charged to you for items that are returned due to incorrect address or failure to collect from local depot.
- We aid to provide door to door delivery for every customer. However, buyers in remote areas may be required to collect item from their nearest freight depot. Please ensure if you have any questions about the re-delivery service, we are always here to back you up.
FAQ:
Q1: How does a nylon insert lock nut work?
A: The nylon insert increases friction to prevent the nut from loosening.
Q2: Can it be reused?
A: It can be reused a few times, but locking performance may decrease.
Q3: Is it suitable for high temperatures?
A: Nylon insert has temperature limits; metal lock nuts are better for high heat.










Bruce B. –
This 304 nylon insert lock nut is top-notch! The construction quality is superb, providing a tight and secure hold without damaging the threads. Reliable and corrosion-resistant, it’s a fantastic choice for any application requiring lasting durability. Highly recommended!
Michael T. –
Good price with good quality!
Hector O. –
Good quality nylon locknuts, cheap and fast deliver…
Bruce H. –
Excellent quality! The surface of these lock nuts looks great!
Ice Wang –
Thank You!
Erika J. –
I got cheaper cost from there for some uncommon sizes nyloc nuts that I couldn’t find in local, and they surprised me.
Ice –
Thanks for Your review! We will offer You a coupon when You come again ^_^
Sergio G. –
Locknuts are great! And I got more help through online communication.
Ice –
Thank You for Your review! Welcome to buy again.
George T. –
These 304 locknuts come with very strong packing, the supplier is very careful and reliable.
Ice –
Thank You Friend!
Kevin G. –
A much better experience than buying from local store, not only much cheaper…
Ice –
Thank You! Welcome to buy agian!
Steven H. –
It is true that there are good quality m12 304 nyloc nuts at hysing metal, working well and very cheap!
Ice –
Thanks a lot for Your reviews, we will keep going to provide best locknuts.
Aaron S. –
Excellent locknuts!
Ice –
thank u~