Wholesale China BLACK Heavy Bolt Factory Exporters – SAE J429 UNC Hex Bolt hex cap screw – Haosheng

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


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continue on to further improve, to make sure product top quality in line with market and consumer standard requirements. Our firm has a excellent assurance program have already been established for Wholesale China BLACK Heavy Bolt Factory Exporters – SAE J429 UNC Hex Bolt hex cap screw – Haosheng , The product will supply to all over the world, such as: Johannesburg, Danish, Bangalore, Our products are produced with the best raw materials. Every moment, we constantly improve the production programme. In order to ensure better quality and service, we have been focusing on the production process. We have got high praise by partner. We are looking forward to establishing business relationship with you.
  • The after-sale warranty service is timely and thoughtful, encounter problems can be resolved very quickly, we feel reliable and secure.
    5 Stars By Lorraine from Thailand - 2017.10.23 10:29
    The factory workers have a good team spirit, so we received high quality products fast, in addition, the price is also appropriate, this is a very good and reliable Chinese manufacturers.
    5 Stars By Alexia from Austria - 2018.12.10 19:03
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