Explore advanced industry insights, technical data, and application cases for DIN982 Nylon insert lock nut carbon steel zinc plated. Understand its cutting-edge manufacturing, comparative advantages, and market trends.
Industry Trends and Market Insights
The global fastener market has witnessed a compound annual growth rate (CAGR) of 4.4% (2021-2026) driven by increased demand for advanced fastening solutions in sectors like automotive, petrochemicals, construction, and water treatment (Grand View Research). Among them, DIN982 Nylon insert lock nut carbon steel zinc plated stands out for its reliability in dynamic, vibration-prone environments.
With the increasing adoption of automation and higher standards in safety, durability, and corrosion resistance, components like DIN982 Nylon insert lock nut carbon steel zinc plated have become indispensable across cutting-edge industries.

Technical Specifications and Key Parameters
Parameter | Details |
---|---|
Product Name | DIN982 Nylon insert lock nut carbon steel zinc plated |
Standard | DIN 982, ISO 7040, ANSI B18.16.6 |
Material | Carbon Steel (Class 8, 10) |
Surface Finish | Zinc Plated (Cr3+) — rust resistance ≥ 72h salt spray |
Insert Material | Nylon 6.6/PA66, operating temp. -40°C to +120°C |
Thread Sizes | M5–M36, UNC ¼"–1 ½" (customizable) |
Tensile Strength | up to 800 MPa (Class 8), ISO898-2 tested |
Applications | Petrochemical, metallurgy, water supply/drainage systems, railways, and heavy machinery |
Product Benchmarking: DIN982 vs Conventional Hex Lock Nuts
- ✔️ Anti-Loosening: Self-locking via nylon insert, with proven high vibration resistance.
- ✔️ Corrosion Resistance: >72h (ASTM B117) due to Cr3+ zinc plating.
- ✔️ Service Life: 2–3x longer than regular lock nuts in aggressive environments.
Manufacturing Process of DIN982 Nylon Insert Lock Nut Carbon Steel Zinc Plated
- Material Selection: Certified carbon steel rods (Class 8/10, ISO 898-1) sourced.
- Cold Forging: Rods are cold forged into nut blanks for high dimensional accuracy.
- CNC Threading: Threads are cut to ISO6g tolerance specifications for optimal fit.
- Heat Treatment: Achieve mechanical strength as per DIN 982/ISO 898-2 by quenching & tempering.
- Zinc Plating: Cr3+ plated for uniform corrosion protection, verified by salt spray test (ISO 9227).
- Nylon Insert Installation: PA66/6.6 nylon ring pressed in, ensuring self-locking effect.
- Final Inspection: Dimensional, mechanical, and salt spray testing as per ISO 3269/ANSI B18.18.
- Packing & Distribution: Packed and labeled with compliance certificates; ready for global shipment.

Material → Forging → CNC Threading → Heat Treatment → Zinc Plating → Nylon Insert → Testing
Third-Party Certifications and Quality Standards
- ISO 898-2 – Mechanical and physical properties for nuts.
- ISO 3269 – Fastener inspection and acceptance quality level.
- ASTM B117 / ISO 9227 – Salt spray corrosion testing.
- RoHS/REACH – Environmental and chemical compliance.
- ANSI B18.16.6 – U.S. locknut standard for technical requirements.
- Factory certified by third-party audit organizations (SGS/TÜV).
Many global corporations (Siemens, ABB, GE, China Railway Construction) choose DIN982 Nylon insert lock nut carbon steel zinc plated for mission-critical assemblies, referencing the above certifications.
Visualized Data: Performance Analysis
Technical Indicators (DIN982 vs. Common Nuts)
Application Sectors (%) — Pie Analysis
Insight: DIN982 Nylon insert lock nut carbon steel zinc plated demonstrates superior long-duration performance, especially where vibrations, humidity and corrosive agents persist.
Application Scenarios and Case Studies
- Petrochemical: Used in pipeline flange joints, storage tank supports. Outperforms regular nuts in anti-loosening and resistance to H2S exposure.
- Metallurgy: Structural bolts in furnaces and casting machine frameworks, tolerating cyclic temperature shift.
- Water Supply/Drainage: Favored for pump mounts and pipe fixings; zinc plating ensures >3x lifetime versus untreated types in humidity (>88% RH).
- Heavy Machinery: Essential in construction and railway carriage assemblies where persistent vibration is problematic.
2022–2023, over 500,000 units of DIN982 Nylon insert lock nut carbon steel zinc plated supplied for Daqing Oil joint venture, contracted via EPC. Test reports showed 0% slackening after 24-month continuous use in high-H2S, saline environment (humidity 85–95%). Maintenace costs reduced by 28% compared to previous solution.
In 2023, a European rail integrator adopted DIN982 Nylon insert lock nut carbon steel zinc plated in modular bogie frame connections. According to EN 15048:2016 review, vibration resistance exceeded safety margin by 35%. Maintenance intervals lengthened from 1 to 3 years.
Manufacturer Comparison: Why Choose Our DIN982 Nylon Insert Lock Nut Carbon Steel Zinc Plated?
Brand/Supplier | MOQ | Custom Sizes | Salt Spray Resistance | Certification | Global Delivery |
---|---|---|---|---|---|
HBTBLS (OEM/ODM, specs) |
5000 pcs | Yes | 96h (ISO 9227) | ISO, SGS, RoHS, ANSI | Yes – 72hr fast shipping |
Brand G (Europe main) | 20,000 pcs | Limited (M10–M24) | 72h | ISO | Yes |
Brand F (OEM CN) | 8000 pcs | Yes | >48h | Self-tested | No |
Customization & Engineering Solutions
- Custom thread types (UNC, UNF, metric) and oversized nuts for special assemblies.
- Special zinc plating thicknesses (8μm–35μm) for marine or outdoor exposure.
- Laser-engraved batch coding for traceability (ISO 16143 compliant).
- Packaging solutions: anti-static, vacuum, carton-label per client standard.
- Pre-assembly and kitting for OEM/ODM clients (petrochemical, rail, equipment sectors).
Professional FAQ: Key Technical Terms
- Q1: What material is used for DIN982 Nylon insert lock nut carbon steel zinc plated?
- A1: Certified carbon steel (grades 8 and 10), compliant with ISO 898-2 for optimal mechanical integrity and toughness, combined with PA66 (Nylon 6.6) for self-locking effect.
- Q2: What standards govern the specifications and testing?
- A2: Key standards include DIN 982 (shape/spec), ISO 898-2 (mechanical strength), ISO 3269 (inspection), and ISO 9227/ASTM B117 (salt spray resistance).
- Q3: What is the typical service life under harsh conditions?
- A3: Over 6–8 years in aggressive environments (humidity >85%, temp cycle −20 to 50℃), validated in case studies from oil & gas fields.
- Q4: Is it suitable for high-temperature or corrosive area installations?
- A4: Yes, the nylon insert is stable up to 120°C. Zinc plating provides robust protection against water, salt, moderate acids/bases (per ISO 9227 testing).
- Q5: Can I get customized dimensions or plating thicknesses?
- A5: Absolutely. Custom thread sizes, shapes, and coatings (6–35μm) are available. Engineering support ensures compliance with EN/DIN or bespoke standards.
- Q6: What are common installation standards?
- A6: Installation conforms to ISO 898-2 and client-specific torque requirements. For critical assemblies, dynamic torque test per ISO 2320 is recommended.
- Q7: How are these nuts inspected before shipment?
- A7: 100% batchwise inspection: dimensions (digital caliper, go/no go gauge), tensile test (ISO 898-2), salt spray test (ISO 9227/ASTM B117), and RoHS chemical screening.
Delivery, Warranty, and Customer Support
- Lead Time: Standard products 7–12 days; custom/large volume 12–20 days.
- Warranty: 5-year product quality warranty, with free replacement for material or plating failure (under proper use).
- Support: 24/7 technical engineer hotline, dedicated overseas after-sales team.
- Sample Policy: Free samples (1–2 days dispatch); freight charge refundable on order.
- Tracking: Full logistics tracking, batch number tracing up to 10 years (ISO 16143 standard).
“Prompt supply, all sizing accurate, no corrosion after a full year field test in Gulf weather.” — Sr. Purchase Manager, Middle East EPC
Frequently Asked Questions (FAQ)
A: Yes. Its zinc plating (8–35μm) offers robust resistance to saltwater corrosion, validated by 96h salt spray tests (ISO 9227). For ultra-corrosive sites, further coatings available on request.
Q: What is the minimum order quantity (MOQ)?
A: MOQ for branded OEM is 5000 pcs—negotiable for long-term partners.
Q: Can I receive compliance and test certificates?
A: Yes, full documentation (ISO test, RoHS, material report, MTC, etc.) included with each shipment.
Q: Which sectors most frequently use your DIN982 Nylon insert lock nut carbon steel zinc plated?
A: Oil/gas, petrochemicals, power, rail, water systems, and heavy construction industries.
Q: Are there restrictions on installation tools?
A: Standard wrenches/sockets suffice; for automated lines, robotic applicators can be used. Detailed torque curve supplied on request.
Q: What batch identification methods are used?
A: Laser batch coding on each nut or packaging as per ISO 16143. Full traceability for up to 10 years from shipping.
Further Reading & Industry References
- “Comparison of Self-Locking Nut Technologies for Critical Assemblies,” Fastener Engineering Journal, 2023. (link)
- “Guidelines for Choosing Locknuts in Pipeline Construction,” Engineering Toolbox Forum, 2024. (link)
- “ISO 898-2 & Practical Application in Machinery,” Mechanical Design Digest, 2023. (link)
- “Corrosion & Fatigue Performance of Zinc-Plated Fasteners,” Industrial Fasteners Review, 2023. (link)
Post time: Авг . 04, 2025 12:40