Wholesale China BLACK Bolts Factory Exporters – SAE J429/UNC Hex Bolt/Hex Cap Screw – Haosheng

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go on to boost, to be certain item quality in line with market and buyer standard demands. Our firm has a excellent assurance procedure happen to be established for 12.9 bolt , Black Hex Head Bolt , Low carbon steel Hex Nuts , We also ensure that your selection will be crafted with the highest quality and reliability. Please feel free to contact us for further information.
Wholesale China BLACK Bolts 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 Bolts Factory Exporters –  SAE J429/UNC Hex Bolt/Hex Cap Screw  – Haosheng detail pictures


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We know that we only thrive if we can guarantee our combined price competiveness and quality advantageous at the same time for Wholesale China BLACK Bolts Factory Exporters – SAE J429/UNC Hex Bolt/Hex Cap Screw – Haosheng , The product will supply to all over the world, such as: Riyadh, Montpellier, New Delhi, By continuous innovation, we will present you with more valuable items and services, and also make a contribution for the development of the automobile industry at home and abroad. Both domestic and foreign merchants are strongly welcomed to join us to grow together.
  • We have been cooperated with this company for many years, the company always ensure timely delivery ,good quality and correct number, we are good partners.
    5 Stars By Quyen Staten from Manchester - 2017.06.16 18:23
    This is the first business after our company establish, products and services are very satisfying, we have a good start, we hope to cooperate continuous in the future!
    5 Stars By Olivia from Stuttgart - 2017.05.21 12:31
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