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DIN1804 Slotted Round Nuts for Hook Spanners

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DIN1804 Automotive Slotted Round Nut for Hook Spanners is a rugged, precision-engineered fastener designed to deliver exceptional performance in high-torque automotive applications. Featuring a slotted round design optimized for secure engagement with hook spanners, it ensures reliable tightening and loosening in confined or hard-to-reach spaces, such as wheel hubs, drivetrain components, and steering linkages. Constructed from high-strength alloy steel and heat-treated for superior durability, this nut withstands extreme mechanical stress, vibration, and temperature fluctuations common in automotive environments. The precisely machined slots enable precise torque application while resisting deformation under heavy loads, making it ideal for critical systems like axle assemblies, transmission shafts, and suspension joints. Its corrosion-resistant finish ensures long-term resilience against road salts, moisture, and chemicals, maintaining structural integrity over years of use. Compliant with DIN standards and trusted by automotive engineers, the DIN1804 guarantees a fail-safe solution for applications demanding robust, vibration-proof fastening. From securing wheel bearings to stabilizing steering components, this slotted round nut ensures your vehicle’s vital systems remain tightly locked, mile after demanding mile.

Key Advantages for Your Applications:

  • Secure High-Torque Fastening: Engineered to withstand and effectively transmit significant tightening forces in demanding automotive systems.
  • Optimized for Hook Spanners: Ensures reliable engagement and efficient torque application in hard-to-reach areas.
  • Exceptional Durability: Constructed from high-strength alloy steel and heat-treated to resist extreme mechanical stress and vibration.
  • Temperature Fluctuation Resilience: Maintains its structural integrity across the wide temperature ranges encountered in automotive environments.
  • Precise Torque Application: Minimizes deformation under heavy loads, crucial for critical systems.
  • Superior Corrosion Resistance: Features a specialized finish that provides long-term protection against road salts, moisture, and automotive chemicals.
  • DIN Standard Compliance: Guarantees dimensional accuracy and material quality trusted by automotive engineers worldwide.
  • Vibration-Proof Reliability: Ensures critical automotive systems remain securely fastened, even under constant vibration.
  • Long-Term Structural Integrity: Designed for enduring performance, contributing to the overall safety and reliability of the vehicle.

Ideal for:

  • Wheel Hub Assemblies: Securing bearings and ensuring proper wheel mounting.
  • Drivetrain Components: Fastening shafts, gears, and other critical elements within the transmission and differential.
  • Steering Linkages: Ensuring precise and secure connections in the steering system for optimal control.
  • Axle Assemblies: Maintaining the integrity and stability of the vehicle's axles.
  • Transmission Shafts: Securely fastening components within the transmission system.
  • Suspension Joints: Providing robust and reliable connections in the vehicle's suspension system.
  • Industrial Machinery: Suitable for heavy-duty applications requiring secure fastening in challenging environments.
  • Agricultural Equipment: Withstanding harsh conditions and ensuring reliable performance of critical joints.
  • Construction Vehicles: Providing durable fastening solutions for machinery operating under extreme stress.



Product Name Standard Material Diameter Thickness/Height
Slotted Round Nuts GB/T 816-2018 45 Carbon Steel, Zinc Plated M10 (10 mm) 8 mm
Slotted Round Nuts GB/T 816-2018 45 Carbon Steel, Zinc Plated M12 (12 mm) 10 mm
Slotted Round Nuts GB/T 816-2018 45 Carbon Steel, Zinc Plated M16 (16 mm) 12 mm
Slotted Round Nuts GB/T 816-2018 45 Carbon Steel, Zinc Plated M20 (20 mm) 15 mm
Slotted Round Nuts GB/T 816-2018 45 Carbon Steel, Zinc Plated M24 (24 mm) 18 mm
Slotted Round Nuts GB/T 816-2018 45 Carbon Steel, Zinc Plated M30 (30 mm) 20 mm
Slotted Round Nuts ASME B18.6.7 ASTM A563 Grade A, Zinc 1/2" (12.7 mm) 0.25" (6.35 mm)
Slotted Round Nuts ASME B18.6.7 ASTM A563 Grade A, Zinc 5/8" (15.88 mm) 0.312" (7.92 mm)
Slotted Round Nuts ASME B18.6.7 ASTM A563 Grade A, Zinc 3/4" (19.05 mm) 0.375" (9.53 mm)
Slotted Round Nuts ASME B18.6.7 ASTM A563 Grade A, Zinc 1" (25.4 mm) 0.5" (12.7 mm)
Slotted Round Nuts ANSI B18.6.7 SAE J429 Grade 2, Cadmium 3/8" (9.53 mm) 0.2" (5.08 mm)
Slotted Round Nuts ANSI B18.6.7 SAE J429 Grade 2, Cadmium 7/16" (11.11 mm) 0.25" (6.35 mm)
Slotted Round Nuts ANSI B18.6.7 SAE J429 Grade 2, Cadmium 1-1/4" (31.75 mm) 0.625" (15.88 mm)
Slotted Round Nuts DIN 981 C45E4 Steel, Black Oxide M8 (8 mm) 6 mm
Slotted Round Nuts DIN 981 C45E4 Steel, Black Oxide M14 (14 mm) 11 mm
Slotted Round Nuts DIN 981 C45E4 Steel, Black Oxide M18 (18 mm) 14 mm
Slotted Round Nuts DIN 981 C45E4 Steel, Black Oxide M22 (22 mm) 16 mm
Slotted Round Nuts DIN 981 C45E4 Steel, Black Oxide M27 (27 mm) 19 mm
Slotted Round Nuts DIN 981 C45E4 Steel, Black Oxide M36 (36 mm) 25 mm
Slotted Round Nuts ISO 4161 AISI 316 Stainless Steel M5 (5 mm) 5 mm
Slotted Round Nuts ISO 4161 AISI 316 Stainless Steel M6 (6 mm) 6 mm
Slotted Round Nuts ISO 4161 AISI 316 Stainless Steel M8 (8 mm) 8 mm
Slotted Round Nuts ISO 4161 AISI 316 Stainless Steel M12 (12 mm) 10 mm
Slotted Round Nuts JIS B1181 S45C Carbon Steel, Zinc 10 mm 8 mm
Slotted Round Nuts JIS B1181 S45C Carbon Steel, Zinc 16 mm 12 mm
Slotted Round Nuts JIS B1181 S45C Carbon Steel, Zinc 20 mm 15 mm
Slotted Round Nuts JIS B1181 S45C Carbon Steel, Zinc 24 mm 18 mm
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About Us
Zhejiang Zhongrui Auto Parts Co., Ltd.
Zhejiang Zhongrui Auto Parts Co., Ltd.
As China Automotive DIN1804 Slotted Round Nuts for Hook Spanners Suppliers and Custom DIN1804 Slotted Round Nuts for Hook Spanners 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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