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Hexagon Bolts with Flange with Metric Fine Pitch Thread - Small Series GB /T 16674.2 (S) - 2016

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Our Hexagon Flange Bolts with Metric Fine Pitch Thread - Small Series are engineered for efficient and reliable assembly:

  • Integrated Flange: Eliminates the need for separate washers, simplifying the assembly process, reducing part count, and ensuring proper load distribution.
  • Standard Hex Head: Allows for easy tightening with commonly available wrenches and sockets.
  • Pilot Point (Optional): Some variations may include a pilot point to aid in initial alignment and prevent cross-threading during installation, especially beneficial in automated assembly lines.
  • Reduced Risk of Loosening: The inherent self-locking property of fine pitch threads minimizes the risk of the bolt loosening over time due to vibration and thermal cycling.

Key Advantages for Your Applications:

  • Superior Vibration Resistance: The fine pitch thread provides exceptional resistance to loosening in high-vibration automotive environments.
  • Precise Preload Control: Allows for accurate tightening and optimal clamping force, crucial for sensitive components.
  • Enhanced Load Distribution: The integrated flange distributes the clamping force evenly, reducing stress on the joined parts.
  • Simplified Assembly: Eliminates the need for separate washers, reducing assembly time and part complexity.
  • Improved Joint Integrity: The combination of the flange and fine pitch thread ensures a more secure and reliable connection.
  • Reduced Risk of Damage: Precise preload control minimizes the risk of over-tightening and damaging components.

Ideal for:

  • Engine Components: Securing cylinder heads, manifolds, and other critical engine parts where vibration and precise clamping are essential.
  • Transmission Assemblies: Fastening components within the transmission where secure connections under dynamic loads are required.
  • Braking Systems: Attaching brake calipers, rotors, and other components where vibration resistance is critical for safety.
  • Exhaust Systems: Securing exhaust manifolds and pipes, which are subject to significant vibration and thermal stress.
  • Steering and Suspension Systems: Fastening critical linkages and components where precise preload and resistance to loosening are vital for vehicle handling and safety.
  • Sensor Mounting: Providing secure and vibration-resistant mounting for sensitive electronic sensors throughout the vehicle.
  • High-Precision Automotive Electronics: Fastening components in electronic control units (ECUs) and other sensitive electronic assemblies where controlled clamping force is necessary.



Current Available Stock

Product Name Spec Material Grade Surface Treatment Film Thickness Salt Spray Time Stock Quantity (K) Packaging (K/Box)
GB/T16674.1 Hex Flange Bolt M16*90-12.9 35CrMo 12.9 Dacromet ≥8μm 480h 69 180
GB/T16674.1 Hex Flange Bolt M8*14 35K 8.8 Zinc Plated ≥8μm 72h 7,200 500
GB/T16674.1 Hex Flange Bolt M8*40-10.9 40Cr 10.9 Zinc Plated ≥8μm 72h 200 200
GB/T16674.1 Hex Flange Bolt M8*45 35K 8.8 Zinc Plated ≥8μm 72h 2,858 200
GB/T16674.1 Hex Flange Bolt M8*50-10.9 40Cr 10.9 Zinc Plated ≥8μm 72h 686 200
GB/T16674.1 Hex Flange Bolt M8*70 35K 8.8 Zinc Plated ≥8μm 72h 100 200
GB/T16674.1 Hex Flange Bolt M8*90 35K 8.8 Dacromet ≥8μm 480h 2,255 600
GB/T16674.1 Hex Flange Bolt M8*90-10.9 40Cr 10.9 Dacromet ≥8μm 480h 600 100
GB/T16674.1 Hex Flange Bolt M10*125 35K 8.8 Zinc Plated ≥8μm 72h 350 100
GB/T16674.1 Hex Flange Bolt M10*14 35K 8.8 Zinc Plated ≥8μm 72h 1,200 1200
GB/T16674.1 Hex Flange Bolt M10*16-10.9 40Cr 10.9 Dacromet ≥8μm 480h 2,400 1200
GB/T16674.1 Hex Flange Bolt M10*45 35K 8.8 Dacromet ≥8μm 480h 6,300 700
GB/T16674.1 Hex Flange Bolt M10*45-10.9 40Cr 10.9 Plain (Unfinished) 13,635 700
GB/T16674.1 Hex Flange Bolt M10*45-12.9 35CrMo 12.9 Dacromet ≥8μm 480h 6,000 600
GB/T16674.1 Hex Flange Bolt M10*50-8.8 35K 8.8 Dacromet ≥8μm 480h 180 700
GB/T16674.1 Hex Flange Bolt M10*55 35K 8.8 Dacromet ≥8μm 480h 4,055 600
GB/T16674.1 Hex Flange Bolt M10*60 35K 8.8 Dacromet ≥8μm 480h 1,716 110
GB/T16674.1 Hex Flange Bolt M10*60-10.9 40Cr 10.9 Black Oxide 10,200 600
GB/T16674.1 Hex Flange Bolt M10*70-10.9 40Cr 10.9 Dacromet ≥8μm 480h 1,350 600
GB/T16674.1 Hex Flange Bolt M10*85 35K 8.8 Dacromet ≥8μm 480h 7,600 400
GB/T16674.1 Hex Flange Bolt M10*90 35K 8.8 Zinc Plated ≥8μm 72h 400 100
GB/T16674.1 Hex Flange Bolt M10*95 35K 8.8 Dacromet ≥8μm 480h 3,600 400
GB/T16674.1 Hex Flange Bolt M10*95-10.9 40Cr 10.9 Dacromet ≥8μm 480h 314 314
GB/T16674.1 Hex Flange Bolt M12*100-10.9 40Cr 10.9 Dacromet ≥8μm 480h 9,170 240
GB/T16674.1 Hex Flange Bolt M12*110 35K 8.8 Dacromet ≥8μm 480h 2,727 240
GB/T16674.1 Hex Flange Bolt M12*110-10.9 40Cr 10.9 Zinc Plated ≥8μm 72h 16 100
GB/T16674.1 Hex Flange Bolt M12*25 35K 8.8 Dacromet ≥8μm 480h 4,663 600
GB/T16674.1 Hex Flange Bolt M12*40 35K 8.8 Dacromet ≥8μm 480h 2,800 400
GB/T16674.1 Hex Flange Bolt M12*55-10.9 40Cr 10.9 Dacromet ≥8μm 480h 6,134 400
GB/T16674.1 Hex Flange Bolt M12*55-8.8 35K 8.8 Zinc Plated ≥8μm 72h 50 400
GB/T16674.1 Hex Flange Bolt M12*70 35K 8.8 Zinc Plated ≥8μm 72h 3,150 350
GB/T16674.1 Hex Flange Bolt M12*75 35K 8.8 Dacromet ≥8μm 480h 810 300
GB/T16674.1 Hex Flange Bolt M12*85 35K 8.8 Dacromet ≥8μm 480h 1,774 276
GB/T16674.1 Hex Flange Bolt M6*10 35K 8.8 Dacromet ≥8μm 480h 2,500 4000
GB/T16674.1 Hex Flange Bolt M6*16-10.9 40Cr 10.9 Zinc Plated ≥8μm 72h 56,000 4000
GB/T16674.1 Hex Flange Bolt M6*16-8.8 35K 8.8 Zinc Plated ≥8μm 72h 59,200 4000
GB/T16674.1 Hex Flange Bolt M6*55 35K 8.8 Dacromet ≥8μm 480h 3,600 1800
GB/T16674.1 Hex Flange Bolt M14*55-10.9 40Cr 10.9 Zinc Plated ≥8μm 72h 4,080 240
GB/T16674.1 Hex Flange Bolt M14*65-10.9 40Cr 10.9 Zinc Plated ≥8μm 72h 1,120 280
GB/T16674.1 Hex Flange Bolt M16*100-10.9 40Cr 10.9 Dacromet ≥8μm 480h 2,800 140
GB/T16674.1 Hex Flange Bolt M16*115-10.9 40Cr 10.9 Zinc Plated ≥8μm 72h 5,320 140
GB/T16674.1 Hex Flange Bolt M16*125-10.9 40Cr 10.9 Zinc Plated ≥8μm 72h 700 100
GB/T16674.1 Hex Flange Bolt M16*150-10.9 40Cr 10.9 Zinc Plated ≥8μm 72h 720 90
GB/T16674.1 Hex Flange Bolt M16*180-10.9 40Cr 10.9 Zinc Plated ≥8μm 72h 705 120
GB/T16674.1 Hex Flange Bolt M16*200-10.9 40Cr 10.9 Zinc Plated ≥8μm 72h 1,565 120
GB/T16674.1 Hex Flange Bolt M16*25 35K 8.8 Dacromet ≥8μm 480h 10,985 400
GB/T16674.1 Hex Flange Bolt M16*265-12.9 35CrMo 12.9 Black Oxide 265 60
GB/T16674.1 Hex Flange Bolt M16*65-10.9 40Cr 10.9 Dacromet ≥8μm 480h 1,819 60
GB/T16674.1 Hex Flange Bolt M101.2550-10.9 40Cr 10.9 Zinc Plated ≥8μm 72h 1,400 700
GB/T16674.1 Hex Flange Bolt M101.2590-10.9 40Cr 10.9 Zinc Plated ≥8μm 72h 5,600 400
GB/T16674.1 Hex Flange Bolt M101.2595-10.9 40Cr 10.9 Zinc Plated ≥8μm 72h 1,050 350
GB/T16674.1 Hex Flange Bolt M121.2525 35K 8.8 Zinc Plated ≥8μm 72h 14,600 600
GB/T16674.1 Hex Flange Bolt M121.2530-10.9 40Cr 10.9 Zinc Plated ≥8μm 72h 1,400 1200
GB/T16674.1 Hex Flange Bolt M121.2535-10.9 40Cr 10.9 Zinc Plated ≥8μm 72h 29,730 500
GB/T16674.1 Hex Flange Bolt M121.2550-10.9 40Cr 10.9 Black Oxide 50 400
GB/T16674.1 Hex Flange Bolt M121.2555-10.9 40Cr 10.9 Zinc Plated ≥8μm 72h 6,184 500
GB/T16674.1 Hex Flange Bolt M121.2590-10.9 40Cr 10.9 Zinc Plated ≥8μm 72h 2,400 240
GB/T16674.1 Hex Flange Bolt M121.555-10.9 40Cr 10.9 Zinc Plated ≥8μm 72h 400 400
GB/T16674.1 Hex Flange Bolt M141.535 35K 8.8 Zinc Plated ≥8μm 72h 8,800 1200
GB/T16674.1 Hex Flange Bolt M141.540-12.9 35CrMo 12.9 Phosphated 4,205 400
GB/T16674.1 Hex Flange Bolt M141.545-10.9 40Cr 10.9 Phosphated 6,000 400
GB/T16674.1 Hex Flange Bolt M141.545-12.9 35CrMo 12.9 Phosphated 16,200 400
GB/T16674.1 Hex Flange Bolt M141.585-12.9 35CrMo 12.9 Phosphated 11,340 200
GB/T16674.1 Hex Flange Bolt M161.5100-10.9 40Cr 10.9 Phosphated 4,500 100
GB/T16674.1 Hex Flange Bolt M161.5130-10.9 40Cr 10.9 Dacromet ≥8μm 480h 119 120
GB/T16674.1 Hex Flange Bolt M161.535-12.9 35CrMo 12.9 Phosphated 100 300
GB/T16674.1 Hex Flange Bolt M121.2540-10.9 40Cr 10.9 Trivalent Chromate 3,298 800
GB/T16674.1 Hex Flange Bolt M14*120-10.9 40Cr 10.9 Zinc Plated ≥8μm 72h 1,080 125
GB/T16674.1 Hex Flange Bolt M14*190-10.9 40Cr 10.9 Zinc Plated
GB/T16674.1 Hex Flange Bolt M14*35 35K 8.8 Dacromet ≥8μm 480h 400 400
GB/T16674.1 Hex Flange Bolt M14*40 35K 8.8 Zinc Plated ≥8μm 72h 50 300
GB/T16674.1 Hex Flange Bolt M16*70-10.9 40Cr 10.9 Dacromet ≥8μm 480h 3,240 150

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Zhejiang Zhongrui Auto Parts Co., Ltd.
Zhejiang Zhongrui Auto Parts Co., Ltd.
As China Automotive Hexagon Bolts with Flange with Metric Fine Pitch Thread - Small Series GB /T 16674.2 (S) - 2016 Suppliers and Custom Hexagon Bolts with Flange with Metric Fine Pitch Thread - Small Series GB /T 16674.2 (S) - 2016 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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