Wholesale China BLACK Heavy Hex Bolt Factories Exporter – SAE J429/UNC Hex Bolt/Hex Cap Screw – Haosheng
Wholesale China BLACK Heavy Hex Bolt Factories Exporter – 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, |
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| 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 |

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.
Product detail pictures:
Related Product Guide:
All we do is usually affiliated with our tenet " Buyer to start with, Belief to start with, devoting about the food packaging and environmental defense for Wholesale China BLACK Heavy Hex Bolt Factories Exporter – SAE J429/UNC Hex Bolt/Hex Cap Screw – Haosheng , The product will supply to all over the world, such as: Amsterdam, Jamaica, Netherlands, All our staffs believe that: Quality builds today and service creates future. We know that good quality and the best service are the only way for us to achieve our customers and to achieve ourselves too. We welcome customers all over the word to contact us for future business relationships. Our products are the best. Once Selected, Perfect Forever!
The sales person is professional and responsible, warm and polite, we had a pleasant conversation and no language barriers on communication.









