M3 Nyloc Nut Nylon Insert Locking Nut A4 Grade

Nyloc Nut

Top quality stainless steel Nyloc nut supplied straight from Warrington, UK.

Speciality Metals offer a massive range of metal products to suit all levels of budget and any size of job. These nuts are offered to compliment our range of nuts, bolts & washers. We pride ourselves on our low prices and rapid fulfilment. Our fasteners are available from immediate stock, so dispatch would be fair immediate.

The M3 Nyloc Nut is a high-quality fastening solution that offers durability, versatility and low maintenance. The nylon insert locking nut is corrosion-resistant, making it ideal for a variety of applications, especially marine environments. The sturdy locking mechanism ensures that even under extreme conditions, it will stay in place. M3 Nyloc Nuts are additionally designed to withstand harsh conditions to ensure long-lasting holds that can withstand any challenges. This M3 Nyloc Nut from Speciality Metals is the perfect choice if you’re looking for a nut that will stand up to tough conditions.

Key product details:

• Standard – DIN 985
• Nut Type – P
• Fasteners Type – Nylon Nyloc Lock Nut
• Thread Diameter – M3
• Height – 3.6mm
• Metric Thread – 2.4mm
• Spanner Size – 5.5mm
• Metal – Stainless Steel Grade 316 (A4)

Why Choose Speciality Metals

• FREE UK delivery on all orders
• Order dispatch within 24 hours of order
• Located in Warrington, UK which is the UK home of mesh and metals
• Our experienced staff are experts in the mesh market and care personally about your customer experience

Furthermore we stock a vast range of plain wire mesh and perforated metal options that compliment our sheet metal range perfectly.

What are 316 Grade Stainless Steel Nyloc Nuts?

316 Grade Stainless Steel Nyloc Nuts are locking nuts made from 316 grade stainless steel, featuring a nylon insert that helps secure the nut in place once it has been tightened onto a bolt. The 316 grade stainless steel is well-known for its superior corrosion resistance compared to other grades like 304. It contains molybdenum, which gives it enhanced resistance to general corrosion and particularly to pitting and crevice corrosion in chloride environments.

These Nyloc nuts are often used in demanding conditions where high resistance to environmental factors such as water, salt and chemicals is necessary. The nylon insert makes these nuts particularly useful in applications that involve vibration or dynamic loads, as it helps to prevent the nut from loosening over time.

Similar to their 316L counterparts, 316 Grade Stainless Steel Nyloc Nuts are used in a variety of industries, including marine, automotive, aerospace, construction and chemical processing, among others. The primary difference between 316 and 316L is the lower carbon content in the latter, which provides slightly improved weldability and may offer additional resistance to corrosion in certain environments. However, both are suitable for a wide range of robust applications.

What Applications Are Nyloc Nuts Suitable For?

1. Marine Applications: Their corrosion-resistant properties make them ideal for use in saltwater environments.

2. Automotive Industry: Used in vehicles to secure parts that are subject to constant movement and vibration.

3. Aerospace: In airplanes and spacecraft, where component integrity under high-vibration conditions is critical.

4. Construction: In heavy machinery and structural components where failure due to loosening is not acceptable.

5. Industrial Machinery: Used in various types of machinery to ensure that components stay secure under dynamic conditions.

6. Chemical Plants: Their resistance to chemicals makes them suitable for use in chemical processing facilities.

7. Wind Turbines and Renewable Energy: Ideal for securing components that are exposed to outdoor conditions and constant motion.

8. Sporting Equipment: In bicycles, motorcycles, and boats, where vibration is common and component security is crucial.

9. Railways: Used in train components subject to high levels of vibration and stress.

10. Medical Equipment: Used in devices that require secure, non-loosening components and sometimes need to be corrosion-resistant for sterility.

11. Electrical Installations: In electrical motors and other equipment where vibrations are frequent.

12. Food and Beverage Processing: In machinery and facilities where there’s a need for non-toxic, clean and secure fastening systems.

13. Home Appliances: In washers, dryers, and other home appliances with moving parts that could vibrate loose over time.

14. Furniture Manufacturing: For securing components that may be subject to frequent movement or use.

15. Telecommunications: In towers and other infrastructure subject to wind and mechanical vibration.

16. Public Transport: In buses, trams and other forms of public transportation where reliability and safety are paramount.

17. Oil & Gas: In pipelines and machinery where high pressure and corrosive materials are present.

18. High-Pressure Systems: In hydraulic and pneumatic systems to ensure leak-proof performance.

Are Nyloc Nuts Food-Safe?

316 grade stainless steel is generally considered food-safe and is often used in food and beverage processing equipment. It offers excellent resistance to a wide variety of corrosive media found in food processing environments and is compliant with various food safety standards. However, when it comes to Nyloc nuts specifically, additional considerations come into play due to the nylon insert.

The nylon insert may not be suitable for all food processing applications, especially those involving high temperatures or aggressive chemicals that could compromise the nylon material. Additionally, the nylon may not meet specific food safety or hygiene requirements depending on jurisdiction and application. Therefore, while the 316 grade stainless steel itself may be food-safe, the nylon insert could introduce limitations on their use in food or beverage processing environments.

If you are considering using 316 grade stainless steel Nyloc nuts in a food or beverage processing application, it is essential to consult with experts and review all relevant safety standards, including FDA guidelines and other local or international regulations. You may also want to look into specialised food-grade Nyloc nuts that use materials specifically certified as safe for food contact.

Can Nyloc Nuts Be Used in High-Temperature Applications?

316 grade stainless steel has good high-temperature properties and can generally withstand temperatures up to approximately 870°C (1600°F). However, the nylon insert in Nyloc nuts introduces a limitation when it comes to high-temperature applications. The nylon material typically starts to deform or melt at temperatures above 121°C (250°F), which can compromise its locking ability and overall performance.

If your application involves prolonged exposure to high temperatures, Nyloc nuts may not be the most suitable choice due to the limitations of the nylon insert. In such cases, alternative high-temperature locking solutions such as all-metal lock nuts may be more appropriate.

So, while the 316 grade stainless steel component of the Nyloc nuts would likely be suitable for high-temperature conditions, the nylon insert would not. Therefore, if high-temperature resistance is a key requirement for your application, you should consider other types of locking mechanisms or fasteners specifically designed to withstand such conditions. Always consult with engineers or technical experts to choose the appropriate fasteners for your specific needs.

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