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

Haosheng Fasteners, as the leading Hex bolt supplier and Hex bolt exporter, takes pride in producing the best quality of Hex bolts in the country. Our Hex bolts are world renowned for their Durability and Reliability. They are widely used all over the world in major construction projects due to their long life and excellent performance. We also produce some of the most cost worthy and cost-effective Hex bolts. Our Hex Bolts are manufactured and produced in our state of the art facility in Ludhiana. Due to our world-class infrastructure.Order from us in bulk today and get timely delivery.

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.