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GB6182 Type 2 Non-Metallic Insert Hexagonal Lock Nut

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GB6182 Type 2 Non-Metallic Insert Hexagonal Lock Nut is a premium fastening solution engineered to deliver unmatched reliability in automotive applications. Designed with a durable non-metallic insert, this hexagonal lock nut combines robust performance with vibration-resistant locking action, ensuring secure connections even in high-stress environments. The insert’s elastic deformation creates a self-locking mechanism that adapts to dynamic loads, preventing loosening caused by engine vibrations, road shocks, or thermal expansion. Constructed from high-grade steel and paired with a corrosion-resistant non-metallic insert, it offers exceptional durability against moisture, chemicals, and temperature extremes—ideal for critical automotive systems such as engine mounts, suspension assemblies, and brake calipers. Its reusable design reduces maintenance costs while maintaining consistent clamping force, eliminating the need for adhesives or secondary locking devices. Compliant with GB standards and trusted by automotive engineers, the GB6182 Type 2 guarantees precision-engineered safety and longevity, making it indispensable for applications where failure is unacceptable. From chassis components to powertrain systems, this lock nut ensures your vehicle operates with unwavering stability, mile after demanding mile.

Key Advantages for Your Applications:

  • Unmatched Vibration Resistance: The non-metallic insert provides a powerful self-locking mechanism, preventing loosening in high-vibration environments.
  • Exceptional Durability: Constructed from high-grade steel and featuring a corrosion-resistant non-metallic insert for longevity in harsh conditions.
  • Enhanced Corrosion Resistance: The non-metallic insert acts as a barrier against moisture and chemicals, complementing the base material's resistance.
  • Wide Temperature Range Performance: Engineered to maintain its locking effectiveness across a broad spectrum of operating temperatures common in automotive systems.
  • Reusable Design: Reduces maintenance costs without compromising clamping force integrity, offering a sustainable and reliable fastening solution.
  • Consistent Clamping Force: Ensures joint stability and predictable performance over the lifespan of the vehicle.
  • Eliminates Secondary Locking Devices: Simplifies assembly and reduces part count, leading to more efficient manufacturing processes.
  • GB Standard Compliance: Guarantees adherence to recognized quality and performance benchmarks trusted by automotive engineers.
  • Precision-Engineered Safety: Provides a critical layer of security in vital automotive systems where failure is unacceptable.
  • Enhanced Longevity: Contributes to the overall durability and extended lifespan of critical automotive assemblies.
  • Reduced Maintenance: The self-locking and reusable nature minimizes the need for frequent inspections and retightening.
  • Streamlined Assembly: Easy installation with standard tools and elimination of secondary locking steps save time and labor.
  • Adaptable to Dynamic Loads: The elastic insert dynamically adjusts to varying forces, maintaining a secure connection.
  • Lightweight Design: Offers robust performance without adding significant weight to critical automotive systems.
  • Available in Various Sizes and Finishes: [Mention specific size ranges (e.g., M6 to M20) and finish options (e.g., zinc-plated, black oxide) to cater to diverse application needs].

Ideal for:

  • Critical Engine Mounts: Ensuring secure and vibration-free engine attachment for optimal performance and NVH (Noise, Vibration, and Harshness) reduction.
  • Robust Suspension Assemblies: Maintaining the integrity of suspension components, contributing to vehicle handling, stability, and passenger safety.
  • High-Stress Brake Calipers: Providing reliable and secure attachment of brake calipers, a paramount safety system where loosening cannot be tolerated.
  • Secure Steering System Components: Ensuring the precise and safe operation of steering linkages and mechanisms.
  • Durable Chassis Components: Maintaining the structural integrity of the vehicle's frame and undercarriage.
  • Reliable Powertrain Systems: Securing vital components within the engine and transmission, ensuring efficient power delivery and longevity.
  • Vibration-Prone Exhaust Systems: Preventing loosening of exhaust manifold and pipe connections due to engine vibrations and thermal cycling.
  • Secure Body Panel Attachments: Ensuring the long-lasting and rattle-free fastening of exterior and interior body panels.
  • Demanding Industrial Applications: Suitable for any environment where vibration, corrosion, and temperature extremes pose a challenge to fastener integrity.
  • Reusable Fastening Points: Applications requiring periodic maintenance or disassembly without compromising the locking effectiveness of the nut.



Product Name Standard Material Diameter Thickness/Height
Insert Hexagonal Lock Nut GB/T 6187-2016 45 Carbon Steel, Zinc Plated M6 (6 mm) 5 mm
Insert Hexagonal Lock Nut GB/T 6187-2016 45 Carbon Steel, Zinc Plated M8 (8 mm) 6.5 mm
Insert Hexagonal Lock Nut GB/T 6187-2016 45 Carbon Steel, Zinc Plated M10 (10 mm) 8 mm
Insert Hexagonal Lock Nut GB/T 6187-2016 45 Carbon Steel, Zinc Plated M12 (12 mm) 10 mm
Insert Hexagonal Lock Nut GB/T 6187-2016 45 Carbon Steel, Zinc Plated M16 (16 mm) 13 mm
Insert Hexagonal Lock Nut GB/T 6187-2016 45 Carbon Steel, Zinc Plated M20 (20 mm) 15 mm
Insert Hexagonal Lock Nut ASME B18.16.3 ASTM A563 Grade A, Zinc 1/4" (6.35 mm) 0.312" (7.92 mm)
Insert Hexagonal Lock Nut ASME B18.16.3 ASTM A563 Grade A, Zinc 5/16" (7.94 mm) 0.375" (9.53 mm)
Insert Hexagonal Lock Nut ASME B18.16.3 ASTM A563 Grade A, Zinc 3/8" (9.53 mm) 0.437" (11.1 mm)
Insert Hexagonal Lock Nut ASME B18.16.3 ASTM A563 Grade A, Zinc 1/2" (12.7 mm) 0.562" (14.3 mm)
Insert Hexagonal Lock Nut ANSI B18.6.9 SAE J995 Grade 5, Cadmium 0.375" (9.53 mm) 0.25" (6.35 mm)
Insert Hexagonal Lock Nut ANSI B18.6.9 SAE J995 Grade 5, Cadmium 0.5" (12.7 mm) 0.375" (9.53 mm)
Insert Hexagonal Lock Nut ANSI B18.6.9 SAE J995 Grade 5, Cadmium 0.75" (19.05 mm) 0.5" (12.7 mm)
Insert Hexagonal Lock Nut DIN 985 C45E Steel, Dacromet Coated M5 (5 mm) 5 mm
Insert Hexagonal Lock Nut DIN 985 C45E Steel, Dacromet Coated M10 (10 mm) 8 mm
Insert Hexagonal Lock Nut DIN 985 C45E Steel, Dacromet Coated M12 (12 mm) 10 mm
Insert Hexagonal Lock Nut DIN 985 C45E Steel, Dacromet Coated M16 (16 mm) 13 mm
Insert Hexagonal Lock Nut DIN 985 C45E Steel, Dacromet Coated M20 (20 mm) 16 mm
Insert Hexagonal Lock Nut ISO 7040 AISI 304 Stainless Steel M6 (6 mm) 5 mm
Insert Hexagonal Lock Nut ISO 7040 AISI 304 Stainless Steel M8 (8 mm) 6.5 mm
Insert Hexagonal Lock Nut ISO 7040 AISI 304 Stainless Steel M10 (10 mm) 8 mm
Insert Hexagonal Lock Nut ISO 7040 AISI 304 Stainless Steel M12 (12 mm) 10 mm
Insert Hexagonal Lock Nut JIS B1187 SCM435 Alloy Steel, Nickel 8 mm 7 mm
Insert Hexagonal Lock Nut JIS B1187 SCM435 Alloy Steel, Nickel 10 mm 9 mm
Insert Hexagonal Lock Nut JIS B1187 SCM435 Alloy Steel, Nickel 12 mm 11 mm
Insert Hexagonal Lock Nut JIS B1187 SCM435 Alloy Steel, Nickel 16 mm 14 mm
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About Us
Zhejiang Zhongrui Auto Parts Co., Ltd.
Zhejiang Zhongrui Auto Parts Co., Ltd.
As China Automotive GB6182 Type 2 Non-Metallic Insert Hexagonal Lock Nut Suppliers and Custom GB6182 Type 2 Non-Metallic Insert Hexagonal Lock Nut Factory.
Zhejiang Zhongrui Auto Parts Co., Ltd. was founded in 1986. The original unit is located in Ruian City, one of the birthplaces of Wenzhou's economic model, and is located in Tangxia, the "Auto Parts Capital of China". In 2004, in order to further expand its production scale, the company The industrial park in Jiaxing City, Zhejiang, which is located in a very advantageous location, acquired new land and built a modern production plant and office building. The company covers an area of ​​36,237 square meters, with a factory area of ​​20,000 square meters. The company's fixed assets are 130 million yuan.
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