The DIN985 Nylon Insert Lock Nut is a high-performance fastening solution engineered to prevent loosening under vibration and dynamic loads. By integrating a high-quality nylon collar within the threaded body, these nuts create a prevailing torque that ensures a secure, vibration-proof grip, making them indispensable for critical industrial assemblies.
Manufactured from premium carbon steel and available in a wide range of sizes from M5 to M56, our lock nuts meet rigorous international standards including DIN, ISO, and ANSI. Whether applied in heavy machinery or automotive engineering, these fasteners provide the reliability and structural integrity required for the most demanding environments.
Detailed Parameters
| Standard | DIN985, ISO, GB, ANSI/ASTM, BS, BSW, JIS | Size Range | M5 - M56 (Metric & Imperial/Inch) |
|---|---|---|---|
| Material | Carbon Steel (Q195, 1035, 1045, 10b21) | Grade | Grade 4, 6, 8, 10, 12 |
| Heat Treatment | Tempering, Quenching, Spheroidizing, Annealing | Hardness | HRC 25-60 / HV 450-700 |
| Surface Finish | Plain, Black, Zinc Plated, HDG, Dacromet | Process | Cold Heading, Thread Rolling, Full Inspection |
| Certification | ISO9001, SGS, CE | Supply Ability | 500 Tons Per Month |
Key Advantages
Vibration Resistance
The nylon insert creates constant friction against the bolt, effectively preventing accidental loosening in high-vibration environments.
Extended Lifespan
Advanced heat treatment and corrosion-resistant coatings like Dacromet ensure long-term durability in harsh climates.
Precision Engineering
Utilizing thread rolling and 3D detection to ensure perfect dimensional accuracy and seamless fit for every application.
Versatile Materials
Available in various carbon steel grades (Q195 to 10b21) to match specific strength and hardness requirements.
Strict Quality Control
Every batch undergoes rigorous testing using salt spray testers, tensile machines, and Go/No-go gauges.
OEM Customization
We provide full OEM support, manufacturing non-standard fasteners according to your technical drawings or samples.
Product Gallery
Management Platforms
Supply Chain Efficiency
Optimized logistics with bulk packaging options (5kg-25kg) and palletized shipping for global distribution.
Production Control
Integrated cold heading and thread rolling lines for consistent quality and high-volume capacity.
Compliance Monitoring
Strict adherence to ISO9001 and CE standards to ensure product safety and international trade compliance.
Quality Assurance
Utilizing Magnetic Flaw Detectors and 3D projectors for zero-defect manufacturing.
Inventory Management
Capable of supplying up to 500 tons per month to support large-scale industrial projects.
Technical Support
Expert guidance on material selection and surface treatment for specific environmental conditions.
Investment Return Comparison
| Performance Metric | Standard Nut | DIN985 Lock Nut | Value Gain |
|---|---|---|---|
| Vibration Stability | Low/Medium | Excellent | High Reliability |
| Maintenance Cycle | Frequent Retightening | Minimal Intervention | Reduced Labor Cost |
| Installation Speed | Standard | Fast & Secure | Increased Efficiency |
| Failure Rate | Moderate | Extremely Low | Lower Risk Cost |
| Long-term ROI | Basic | Premium | Optimal Asset Life |
Frequently Asked Questions
DIN985 nuts feature a nylon insert that creates friction against the bolt thread, providing a locking mechanism that prevents the nut from loosening due to vibration.
For high corrosion resistance, we recommend our Hot Dip Galvanized (HDG) or Dacromet surface treatments on high-grade carbon steel.
While the nylon insert can be reused, the locking torque may decrease after several removals. For critical safety applications, replacement is recommended.
Yes, we provide full OEM services. We can manufacture custom lock nuts based on your specific drawings or physical samples.
Our products are certified under ISO9001, SGS, and CE, ensuring they meet global quality and safety standards.
With a supply ability of 500 tons per month, we can typically handle large orders efficiently. Please contact our sales team for a precise production schedule.
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