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Our nylon insert self-locking nuts, made of 304 stainless steel (A2-70), feature a nylon collar that prevents loosening under vibration. With sizes M2 to M64, they are ideal for automotive chassis, machinery, and other dynamic applications where safety is critical. Compliant with ISO, DIN, and ASTM standards.
| Dimensions | M2 – M64 |
| Strength Grades | A2-70, A2-80, A4-70, A4-80, D6-80, D6-100 |
| Thread Tolerance | 6H / 2B / 3B |
| Raw Materials | 304 stainless steel, also available 316, duplex, nickel alloys |
| Surface Treatments | Natural, passivation, Dacromet, adhesive pre-coating |
| Standards | ISO, DIN, ASTM, ASME, ANSI, JIS |
Types: hex nut, coupling nut, weld nut, flange nut, nylon insert self-locking nut, heavy nut, jam nut, castle nut, slot nut.
Custom sizes available.
304 stainless steel provides good corrosion resistance and strength. Nylon insert is located at the top of the nut to grip the threads, creating a locking action. The combination ensures reliable fastening in demanding conditions.
Automotive, industrial machinery, agricultural equipment, and any application exposed to vibration or dynamic loads. Also suitable for construction and infrastructure projects.
We offer OEM services for different sizes, materials, and finishes. Our integrated ERP system ensures traceability from raw material to delivery.
Our self-locking nuts have been used in automotive chassis and power generation facilities for 10 years, resulting in greatly reduced maintenance replacement costs.
Nylon inserts typically operate in a temperature range of -40°C to 120°C. For higher temperatures, consider other locking methods.
Yes, the nylon insert can be reused, but its locking ability may decrease after repeated use. For critical applications, replacement is recommended.
Yes, we can manufacture self-locking nuts in 316 stainless steel for enhanced corrosion resistance.
Lead times vary based on quantity and specifications. Please contact us for an accurate lead time.
We maintain inventory for common sizes, but it is best to confirm availability with our sales team.
Natural, passivation, Dacromet, and adhesive pre-coating can be applied depending on your requirements.
Yes, we have an independent laboratory for dimensional and mechanical performance testing.
Contact: Michael Shen
Email: michaelshen@uhc-group.com.cn / sales@uhc-group.com.cn
Tel/WhatsApp: +86 13575349247
Website: www.jxuhc.com
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