GB6185 End Face Elliptical Type 2 All Metal Hexagon Lock Nut is a high-performance fastener engineered to deliver superior vibration resistance and reliability in automotive systems. Featuring an innovative elliptical end-face design, this all-metal lock nut creates a secure, self-locking connection by generating controlled radial pressure against the bolt thread, effectively preventing loosening even under extreme dynamic loads. Constructed from premium alloy steel and hardened through advanced heat treatment, it combines exceptional strength with resistance to temperature fluctuations, corrosion, and mechanical fatigue—making it ideal for critical automotive applications such as engine blocks, transmission housings, and suspension components. The hexagonal profile ensures ease of installation with standard tools, while its reusable design maintains consistent clamping force over repeated use, reducing downtime and maintenance costs. Fully compliant with GB standards, the GB6185 guarantees precision engineering and unmatched durability, ensuring critical systems remain stable and secure across millions of operating cycles. Whether in high-vibration environments or under heavy mechanical stress, this lock nut provides a fail-safe solution for automotive engineers prioritizing safety, longevity, and peak performance. Trust it to keep your vehicle’s vital components locked in place, mile after relentless mile.
The hexagonal profile of the GB6185 ensures straightforward and efficient installation using standard, readily available tools found in any automotive assembly or maintenance environment. Furthermore, its reusable design offers significant advantages. Unlike single-use locking fasteners, the GB6185 maintains a consistent and reliable clamping force even after repeated tightening and loosening cycles. This reusability translates directly into reduced downtime during maintenance procedures and lower overall lifecycle costs for your automotive systems.
Key Advantages for Your Applications:
- Superior Vibration Resistance: The elliptical end-face design creates a powerful self-locking mechanism, preventing loosening under extreme dynamic loads.
- Exceptional Strength & Durability: Premium alloy steel construction and advanced heat treatment ensure long-lasting performance in demanding environments.
- Resistance to Temperature Fluctuations: Maintains secure clamping force across a wide range of operating temperatures.
- Corrosion Resistance: Engineered to withstand exposure to common automotive fluids and environmental elements.
- High Mechanical Fatigue Resistance: Designed for long-term reliability and consistent performance over millions of operating cycles.
- Ease of Installation: Standard hexagonal profile allows for simple and efficient tightening with common tools.
- Reusable Design: Maintains consistent clamping force over repeated use, reducing maintenance and downtime.
- GB Standard Compliance: Fully compliant with GB6185 standards, guaranteeing precision engineering and unmatched durability.
- Enhanced Safety: Provides a fail-safe fastening solution for critical automotive components, prioritizing safety and reliability.
- Reduced Maintenance Costs: Reusability and long lifespan contribute to lower overall maintenance expenses.
Ideal for:
- Engine Blocks: Securing critical components within the engine where vibration and thermal stress are significant.
- Transmission Housings: Ensuring the integrity and stability of the transmission assembly under demanding operating conditions.
- Suspension Components: Providing reliable fastening for suspension systems that are constantly subjected to dynamic loads and vibrations.
- Exhaust Systems: Resisting loosening caused by high temperatures and vibrations in exhaust manifolds and related components.
- Steering Systems: Ensuring the secure connection of vital steering components for optimal vehicle control and safety.
- Braking Systems: Providing reliable fastening for critical braking components where safety is paramount.
- Drive Train Components: Securing elements within the drive train that experience significant torque and rotational forces.
- Heavy-Duty Vehicles: Ideal for applications in trucks, buses, and other heavy-duty vehicles that face extreme operating conditions.
- Aftermarket Performance Upgrades: Providing a high-performance fastening solution for modified and high-performance vehicles.
- Critical Safety Systems: Ensuring the secure and reliable connection of any automotive system where failure could have significant safety implications.
Product Name | Standard | Material | Thread Size | Thickness/Height |
All Metal Hexagon Lock Nut | GB/T 6185-2016 | 45 Carbon Steel, Zinc Plated | M8 (8 mm) | 6.5 mm |
All Metal Hexagon Lock Nut | GB/T 6185-2016 | 45 Carbon Steel, Zinc Plated | M10 (10 mm) | 8 mm |
All Metal Hexagon Lock Nut | GB/T 6185-2016 | 45 Carbon Steel, Zinc Plated | M12 (12 mm) | 10 mm |
All Metal Hexagon Lock Nut | GB/T 6185-2016 | 45 Carbon Steel, Zinc Plated | M16 (16 mm) | 13 mm |
All Metal Hexagon Lock Nut | GB/T 6185-2016 | 45 Carbon Steel, Zinc Plated | M20 (20 mm) | 16 mm |
All Metal Hexagon Lock Nut | ASME B18.2.2 | ASTM A563 Grade DH, Zinc | 1/4" (6.35 mm) | 0.312" (7.92 mm) |
All Metal Hexagon Lock Nut | ASME B18.2.2 | ASTM A563 Grade DH, Zinc | 3/8" (9.53 mm) | 0.437" (11.1 mm) |
All Metal Hexagon Lock Nut | ASME B18.2.2 | ASTM A563 Grade DH, Zinc | 1/2" (12.7 mm) | 0.562" (14.27 mm) |
All Metal Hexagon Lock Nut | ASME B18.2.2 | ASTM A563 Grade DH, Zinc | 3/4" (19.05 mm) | 0.812" (20.62 mm) |
All Metal Hexagon Lock Nut | ASME B18.2.2 | ASTM A563 Grade DH, Zinc | 1" (25.4 mm) | 1.0" (25.4 mm) |
All Metal Hexagon Lock Nut | ANSI B18.2.2 | SAE J995 Grade 8, Cadmium Plated | 5/16" (7.94 mm) | 0.375" (9.53 mm) |
All Metal Hexagon Lock Nut | ANSI B18.2.2 | SAE J995 Grade 8, Cadmium Plated | 7/16" (11.11 mm) | 0.5" (12.7 mm) |
All Metal Hexagon Lock Nut | ANSI B18.2.2 | SAE J995 Grade 8, Cadmium Plated | 5/8" (15.88 mm) | 0.625" (15.88 mm) |
All Metal Hexagon Lock Nut | DIN 985 | C45E Steel, Dacromet Coated | M6 (6 mm) | 5 mm |
All Metal Hexagon Lock Nut | DIN 985 | C45E Steel, Dacromet Coated | M10 (10 mm) | 8 mm |
All Metal Hexagon Lock Nut | DIN 985 | C45E Steel, Dacromet Coated | M14 (14 mm) | 11 mm |
All Metal Hexagon Lock Nut | DIN 985 | C45E Steel, Dacromet Coated | M18 (18 mm) | 14 mm |
All Metal Hexagon Lock Nut | DIN 985 | C45E Steel, Dacromet Coated | M24 (24 mm) | 19 mm |
All Metal Hexagon Lock Nut | ISO 7042 | AISI 316 Stainless Steel | M5 (5 mm) | 4.5 mm |
All Metal Hexagon Lock Nut | ISO 7042 | AISI 316 Stainless Steel | M8 (8 mm) | 6.4 mm |
All Metal Hexagon Lock Nut | ISO 7042 | AISI 316 Stainless Steel | M12 (12 mm) | 10 mm |
All Metal Hexagon Lock Nut | ISO 7042 | AISI 316 Stainless Steel | M20 (20 mm) | 16 mm |
All Metal Hexagon Lock Nut | JIS B1052 | SCM435 Alloy Steel, Phosphated | 10 mm | 8 mm |
All Metal Hexagon Lock Nut | JIS B1052 | SCM435 Alloy Steel, Phosphated | 16 mm | 12 mm |
All Metal Hexagon Lock Nut | JIS B1052 | SCM435 Alloy Steel, Phosphated | 20 mm | 15 mm |