Wholesale China HDG Heavy Bolt Manufacturers Suppliers – SAE J429 UNC Hex Bolt hex cap screw – Haosheng

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We have now our possess revenue group, design staff, technical crew, QC team and package group. We now have strict excellent regulate procedures for each process. Also, all of our workers are experienced in printing subject for M5 Hex Socket Head Cap Screw , HDG Hex Bolt 4.8 , Hot Dipped Galvanized Heavy Hex Bolt , All prices depend upon the quantity of your respective order; the extra you purchase, the extra economical the rate is. We also offer fantastic OEM provider to numerous famous brands.
Wholesale China HDG Heavy Bolt Manufacturers Suppliers – 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 HDG Heavy Bolt Manufacturers Suppliers –  SAE J429 UNC Hex Bolt hex cap screw  – Haosheng detail pictures


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  • We have been appreciated the Chinese manufacturing, this time also did not let us disappoint,good job!
    5 Stars By Cindy from Spain - 2017.06.22 12:49
    High production efficiency and good product quality, fast delivery and completed after-sale protection, a right choice, a best choice.
    5 Stars By Marcie Green from Uganda - 2018.05.15 10:52
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