Wholesale China DIN931 Hex Bolt 8.8 Factory Exporters – SAE J429 UNC Hex Bolt hex cap screw – Haosheng

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We aim to find out high quality disfigurement in the generation and provide the most effective services to domestic and abroad clients wholeheartedly for Plain Bolts , HDG Bolt Nut , DIN931 Hex Head Bolt Hexagon Bolt Hex Bolt and Nut , Because we stay in this line about 10 years. We got best suppliers support on quality and price. And we had weed out suppliers with poor quality. Now many OEM factories cooperated with us too.
Wholesale China DIN931 Hex Bolt 8.8 Factory Exporters – SAE J429 UNC Hex Bolt hex cap screw – Haosheng Detail:

Products name SAE J429 2/5/8 UNC Hex Bolt/ Hex Cap Screw
Standard: DIN,ASTM/ANSI JIS EN ISO,AS,GB
  Steel Grade: DIN: Gr.4.6,4.8,5.6,5.8,8.8,10.9,12.9;  SAE: Gr.2,5,8;
ASTM: 307A,A325,A490,
Finishing Plain ,Zinc(Yellow,White,Blue,Black),Hop Dip Galvanized(HDG),Black Oxide,
Geomet,Dacroment,,Nickel plated,Zinc-Nickel plated
Production Process M2-M24:Cold Froging,M24-M100 Hot Forging,
Machining and CNC for Customized fastener

SAE J429 UNC Hex Bolt hex cap screw

Attributes Our Hex bolts are precise in their dimension and extremely robust in their construction. We make sure that our Hex bolts are corrosion resistant. We are highly appreciated worldwide for excellent heat and abrasion resistance. Our stainless steel Hex bolts are suitable for extremely low and high-temperature areas. Our Hex bolts have a longer service life which makes them a very trustworthy choice.

Process Characteristics

It can be divided into single-mode machine and multi-level machine. Simple structure of the product single mold machine can be completed, such as cylindrical head, external hexagon, hexagon bolt.
Multi power position is suitable for product size diversification and irregular appearance. Several sizes and structures can be completed at one time on the same set of mold.
The minimum tolerance of cold heading products can be plus or minus 0.05mm.
Material Requirements:
1. High plasticity and low hardness are required.
2. High surface quality requirements.
3. High dimensional accuracy requirements.

The Production Process

Raw materials warehousing — incoming inspection — mold opening — machine adjusting and testing — starting — rubbing teeth — surface treatment — laboratory testing — packaging and shipping.


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Wholesale China DIN931 Hex Bolt 8.8 Factory Exporters –  SAE J429 UNC Hex Bolt hex cap screw  – Haosheng detail pictures


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  • This supplier's raw material quality is stable and reliable, has always been in accordance with the requirements of our company to provide the goods that quality meet our requirements.
    5 Stars By Odelia from Jamaica - 2018.07.27 12:26
    Sales manager is very enthusiastic and professional, gave us a great concessions and product quality is very good,thank you very much!
    5 Stars By Ellen from UAE - 2017.12.31 14:53
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