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GB5785 / DIN 960 Fine Pitch Hexagon Head Bolts, automotive bolts high strength 10.9

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GB5785 /  DIN 960 Hexagon Head Bolts are precision-engineered fasteners featuring a hexagonal head and fine thread pitch, optimized for applications requiring high clamping force, vibration resistance, and dimensional accuracy. The fine pitch design (e.g., smaller thread spacing compared to standard coarse threads) allows for finer adjustments and improved load distribution, making these bolts ideal for assemblies subjected to dynamic stresses. Their geometry adheres to strict tolerance standards, ensuring compatibility with threaded holes in high-precision components.

In the automotive sector, they are extensively employed in critical systems such as engine mounts, gearbox housings, and chassis components. The fine threads enhance fatigue resistance under cyclic loads, a common challenge in vehicle operation, while the hex head design enables secure tool engagement for controlled torque application. This is vital in automotive manufacturing, where consistent fastener performance directly impacts safety and longevity.

Key Advantages for Your Applications:

  • Exceptional Clamping Force: Ensures secure and robust connections in critical automotive systems.
  • Superior Vibration Resistance: Prevents loosening under the dynamic stresses of vehicle operation.
  • Precise Dimensional Accuracy: Guarantees compatibility with high-precision automotive components.
  • Enhanced Fatigue Resistance: The fine thread design improves the lifespan of the joint under cyclic loads.
  • Secure Tool Engagement: The hex head allows for controlled torque application, vital for safety-critical assemblies.
  • Finer Adjustment Capability: Enables precise tightening and optimal clamping force.
  • Improved Load Distribution: Enhances the overall strength and reliability of the fastened joint.

Ideal for:

  • Engine Mounts: Providing secure and vibration-resistant fastening for engine assemblies.
  • Gearbox Housings: Ensuring tight and reliable sealing and structural integrity.
  • Chassis Components: Securing critical suspension, steering, and structural elements.
  • High-Precision Automotive Assemblies: Where dimensional accuracy and precise torque are paramount.
  • Applications Subject to Cyclic Loads: Enhancing fatigue resistance in dynamically stressed joints.
  • Automotive Manufacturing Assembly Lines: Ensuring consistent and reliable fastening for safety-critical components.
  • Heavy-Duty Automotive Applications: Requiring high clamping force and resistance to loosening.



Current Available Stock

Product Name Spec Material Grade Surface Treatment Film Thickness Salt Spray Time Stock Quantity (K) Packaging (K/Box)
GB/T5785 Bolt M20*1.5*75-10.9 40Cr 10.9 Dacromet ≥8μm 480h 120 120
GB/T5785 Bolt M10*1.25*45-8.8 35K 8.8 Zinc-plated ≥8μm 72h 960 960
GB/T5785 Bolt M10*1.25*70-10.9 35K 10.9 Zinc-plated ≥8μm 72h 2,950 960
GB/T5785 Bolt M12*1.25*70-10.9 40Cr 10.9 Zinc-plated ≥8μm 72h 800 400
GB/T5785 Bolt M12*1.5*100-10.9 40Cr 10.9 Dacromet ≥8μm 480h 350 350
GB/T5785 Bolt M12*1.5*110-10.9 40Cr 10.9 Zinc-plated ≥8μm 72h 270 270
GB/T5785 Bolt M12*1.5*120-10.9 40Cr 10.9 Dacromet ≥8μm 480h 960 280
GB/T5785 Bolt M12*1.5*30-10.9 40Cr 10.9 Zinc-plated ≥8μm 72h 513 1000
GB/T5785 Bolt M12*1.5*55-8.8 35K 8.8 Zinc-plated ≥8μm 72h 550 550
GB/T5785 Bolt M12*1.5*70-10.9 35K 8.8 Zinc-plated ≥8μm 72h 3,869 500
GB/T5785 Bolt M14*1.5*170-10.9 35K 8.8 Dacromet ≥8μm 480h 240 120
GB/T5785 Bolt M14*1.5*50-10.9 40Cr 10.9 Zinc-plated ≥8μm 72h 400 400
GB/T5785 Bolt M14*1.5*80-10.9 40Cr 10.9 Blackening / / 1,120 280
GB/T5785 Bolt M16*1.5*100-10.9 40Cr 10.9 Zinc-plated ≥8μm 72h 1,200 150
GB/T5785 Bolt M16*1.5*105-10.9 40Cr 10.9 Zinc-plated ≥8μm 72h 720 180
GB/T5785 Bolt M16*1.5*110-10.9 40Cr 10.9 Dacromet ≥8μm 480h 720 180
GB/T5785 Bolt M16*1.5*120-10.9 40Cr 10.9 Zinc-plated ≥8μm 72h 160 160
GB/T5785 Bolt M16*1.5*50-10.9 40Cr 10.9 Zinc-plated ≥8μm 72h 220 220
GB/T5785 Bolt M16*1.5*60-10.9 40Cr 10.9 Zinc-plated ≥8μm 72h 500 220
GB/T5785 Bolt M16*1.5*75-10.9 40Cr 10.9 Blue-white Zinc ≥8μm 24h 239 180
GB/T5785 Bolt M16*1.5*75-12.9 35CrMo 12.9 Phosphating 210 210
GB/T5785 Bolt M16*1.5*80-12.9 35CrMo 12.9 Blackening / / 339 150
GB/T5785 Bolt M18*1.5*130-10.9 40Cr 10.9 Zinc-plated ≥8μm 72h 630 90
GB/T5785 Bolt M20*1.5*120-10.9 40Cr 10.9 Dacromet ≥8μm 480h 980 100
GB/T5785 Bolt M20*1.5*130-10.9 40Cr 10.9 Dacromet ≥8μm 480h 4,592 68
GB/T5785 Bolt M20*1.5*190-10.9 40Cr 10.9 Dacromet ≥8μm 480h 70 70
GB/T5785 Bolt M20*1.5*80-12.9 35CrMo 12.9 Dacromet ≥8μm 480h 310 300
GB/T5785 Bolt M20*1.5*85-10.9 40Cr 10.9 Zinc-plated ≥8μm 72h 206 120
GB/T5785 Bolt M22*1.5*125-10.9 40Cr 10.9 Blue-white Zinc ≥8μm 24h 360 90
GB/T5785 Bolt M22*1.5*288-10.9 40Cr 10.9 Zinc-plated ≥8μm 72h 168 24
GB/T5785 Bolt M22*1.5*80-10.9 40Cr 10.9 Blackening / / 1,000 125
GB/T5785 Bolt M24*1.5*300-12.9 35CrMo 12.9 Dacromet ≥8μm 480h 215 80
GB/T5785 Bolt M24*2*100-12.9 35CrMo 12.9 Dacromet ≥8μm 480h 154 80
GB/T5785 Bolt M24*2*110-10.9 40Cr 10.9 Dacromet ≥8μm 480h 170 85
GB/T5785 Bolt M24*2*120-10.9 40Cr 10.9 Dacromet ≥8μm 480h 1,841 75
GB/T5785 Bolt M24*2*130-10.9 40Cr 10.9 Dacromet ≥8μm 480h 285 60
GB/T5785 Bolt M24*2*140-10.9 40Cr 10.9 Dacromet ≥8μm 480h 700 50
GB/T5785 Bolt M24*2*180-10.9 40Cr 10.9 Dacromet ≥8μm 480h 956 40
GB/T5785 Bolt M24*2*220-10.9 40Cr 10.9 Dacromet ≥8μm 480h 49 40
GB/T5785 Bolt M24*2*280-10.9 40Cr 10.9 Dacromet ≥8μm 480h 187 24
GB/T5785 Bolt M24*2*70-10.9 40Cr 10.9 Dacromet ≥8μm 480h 202 50
GB/T5785 Bolt M24*2*75-10.9 40Cr 10.9 Blue-white Zinc ≥8μm 24h 192 96
GB/T5785 Bolt M24*2*95-10.9 40Cr 10.9 Dacromet ≥8μm 480h 520 80
GB/T5785 Bolt M24*2*95-12.9 35CrMo 12.9 Dacromet ≥8μm 480h 80 80
GB/T5785 Bolt M27*2*330-10.9 40Cr 10.9 Dacromet ≥8μm 480h 4 18
GB/T5785 Bolt M27*2*350-12.9 35CrMo 12.9 Dacromet ≥8μm 480h 15 15
GB/T5785 Bolt M27*2*450-12.9 35CrMo 12.9 Dacromet ≥8μm 480h 17 15
GB/T5785 Bolt M30*2*110-10.9 40Cr 10.9 Dacromet ≥8μm 480h 703 10
GB/T5785 Bolt M30*2*160-10.9 40Cr 10.9 Dacromet ≥8μm 480h 10 15
GB/T5785 Bolt M30*2*170-10.9 40Cr 10.9 Dacromet ≥8μm 480h 750 25
GB/T5785 Bolt M30*2*200-10.9 40Cr 10.9 Dacromet ≥8μm 480h 855 24
GB/T5785 Bolt M30*2*220-10.9 40Cr 10.9 Dacromet ≥8μm 480h 493 18
GB/T5785 Bolt M30*2*260-10.9 40Cr 10.9 Dacromet ≥8μm 480h 24 24
GB/T5785 Bolt M30*2*300-10.9 40Cr 10.9 Dacromet ≥8μm 480h 255 15
GB/T5785 Bolt M30*2*330-10.9 40Cr 10.9 Dacromet ≥8μm 480h 18 18
GB/T5785 Bolt M30*2*350-10.9 40Cr 10.9 Dacromet ≥8μm 480h 60 12
GB/T5785 Bolt M30*2*385-10.9 40Cr 10.9 Dacromet ≥8μm 480h 1,032 12
GB/T5785 Bolt M30*3*190-10.9 40Cr 10.9 Dacromet ≥8μm 480h 218 30
GB/T5785 Bolt M33*2*260-10.9 40Cr 10.9 Dacromet ≥8μm 480h 165 15
GB/T5785 Bolt M36*3*150-10.9 40Cr 10.9 Dacromet ≥8μm 480h 11 80
GB/T5785 Bolt M36*3*160-12.9 35CrMo 12.9 Blackening / / 9 80
GB/T5785 Bolt M36*3*365-10.9 40Cr 10.9 Blackening / / 26 10
GB/T5785 Bolt M42*3*220-12.9 35CrMo 12.9 Blackening / / 16 60
GB/T5785 Bolt M42*3*610-12.9 35CrMo 12.9 Blackening / / 70 10
GB/T5785 Bolt M14*1.5*100-10.9 40Cr 10.9 Dacromet ≥8μm 480h 3,840 180
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About Us
Zhejiang Zhongrui Auto Parts Co., Ltd.
Zhejiang Zhongrui Auto Parts Co., Ltd.
As China Automotive GB5785 / DIN 960 Fine Pitch Hexagon Head Bolts, automotive bolts high strength 10.9 Suppliers and Custom GB5785 / DIN 960 Fine Pitch Hexagon Head Bolts, automotive bolts high strength 10.9 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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