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Product Overview
The All-Metal Lock Nut is a vibration-resistant fastening solution constructed entirely of metal, making it suitable for high-temperature and harsh-environment applications where non-metallic inserts would fail. It relies on thread deformation or mechanical interference to maintain the lock.
Key Features
All-metal construction for resistance to high temperatures and chemical exposure.
Mechanical locking mechanism for reliable performance in extreme conditions.
Durable design ideal for long-term use in industrial and outdoor environments.
Compatible with standard tooling for installation and removal.
Available in high-strength grades for heavy-load structural applications.
| Grade | 5 / 8 / 10 / 12 / A2-70 / A4-80 |
| Size Range | M3–M42 / #4"–1 1/2" (custom sizes available) |
| Thread Type | Metric (ISO) / UNC / UNF |
| Standards | DIN 985 / DIN 982 / ISO 7040 / ISO 7041 / ASTM A563 |
| Locking Type | Nylon insert / All-metal prevailing torque / Top lock / Center lock |
| Thread Class | 6H (metric) / 2B / 3B (imperial) |
| Material | Carbon Steel / Alloy Steel / Stainless Steel 304 / 316 |
| Surface Finish | Plain / Zinc Plated / HDG / Black Oxide |
| Operating Temperature | -40°C ~ 120°C (nylon insert) / -40°C ~ 250°C (all-metal) |
| Application | Automotive, machinery, vibration-prone assemblies, heavy equipment |
Applications
High-temperature industrial equipment, power generation systems, heavy machinery, and aerospace components.
