| Attribute |
Details |
| Type |
Nylon Insert Lock Nuts (Prevailing Torque Nuts, Self-Locking Nuts) |
| Material |
- Body: Carbon Steel (ASTM A563 Grade C, ISO 898-2 Grade 8)
- Nylon Insert: PA66 (Heat-Resistant up to 120°C)
- Stainless Steel Body (304/316, A2-70/A4-80) for Corrosive Environments |
| Finish |
- Zinc Plated (Yellow/White, RoHS/REACH Compliant)
- Passivated (Stainless Steel)
- Black Oxide (For Aesthetic or Low-Profile Applications) |
| Design |
- Hexagonal Body with Integral Nylon Ring Insert
- Insert Position: Top-Ring (Standard) or Full-Thread (Heavy-Duty)
- Serrated Flange Options (For Extra Grip) |
| Thread Type |
- Metric (M3-M36, ISO 965-1)
- Imperial (1/4"-1-1/2", UNC/UNF)
- Metric Fine (e.g., M8x1.25)
- ANSI/ASME B1.1 (Unified Thread Standard) |
| Standards Compliance |
- ISO 7040 (Nylon Insert Lock Nuts)
- ASME B18.2.2 (Inch Series Lock Nuts)
- DIN 985 (Metric Nylon Lock Nuts)
- SAE J995 (Automotive Standards) |
| Temperature Resistance |
- Nylon Insert: -30°C to +120°C
- High-Temp Options: PEEK Insert (Up to 250°C, Upon Request) |
| Locking Mechanism |
- Nylon Insert Creates Frictional Resistance Against Loosening
- Torque Retention: Maintains 80%+ Preload After 1000+ Vibration Cycles (Per ASTM F1519 Testing) |
| Corrosion Resistance |
- Salt Spray Test: 500+ Hours (Zinc Plated); 1000+ Hours (Stainless Steel) |
| Packaging |
- Bulk: Poly Bags in Reinforced Cartons
- Palletized (With Moisture-Resistant Wrapping)
- Custom: Anti-Static Packaging for Electronics Industry |
| Certifications |
- RoHS, REACH, CE
- ISO 9001:2015
- Material Test Certificates (MTC) with Insert Hardness Report
- Optional: IATF 16949 (Automotive Quality Management) |
| Applications |
- Automotive Engines, Machinery, Electronics, Aerospace
- High-Vibration Environments (Engines, Conveyors, Industrial Equipment)
- Prevent Loosening in Threaded Joints Without Additional Adhesives |
| Minimum Order Quantity (MOQ) |
1000 Pieces (Standard Sizes); 2000 Pieces (Stainless Steel/High-Temp Versions) |
| Delivery Time |
10–20 Days (Standard); 25–40 Days (Custom Materials/Finishes) |
| Customization |
- Custom Insert Colors (For Visual Identification)
- Non-Standard Thread Sizes
- Anti-Corrosion Coatings Over Insert (For Marine Use) |
- Reliable Vibration Resistance: Nylon insert provides consistent locking performance in dynamic applications, reducing maintenance downtime.
- Temperature Versatility: Standard PA66 inserts for general use; PEEK inserts available for high-temperature industries like aerospace and automotive.
- Global Standards: Compliant with ISO, ASME, and DIN standards, ensuring compatibility with international projects and OEM specifications.
- Corrosion Solutions: Stainless steel bodies and RoHS-compliant coatings meet marine and industrial environment requirements.
- Wholesale Advantages: Competitive pricing for bulk orders, with flexible shipping (FOB/CIF) and quick turnaround for automotive and electronics sectors.
Need to emphasize compliance with UL standards for electronics or add food-grade certifications? Let me know!
JH Bolt Co., Ltd is a professional manufacturer of different types of bolts with more than 15 years rich manufacturer experience. The factory area is more than 1500 squares with more than hundreds different types ofnevproduction machines. There are more than 50 people who work here for at least 5 years.With quality &customer frst, staffs second, then company, Our products are widely recog-nized and trusted by users all over the world. Proft for the development of communication, We are here for you 12 hours a day, 7 days a week!
