- High-quality material: Our hex bolt sets are made of high-grade steel with excellent durability and corrosion resistance, ensuring long-lasting use in various applications.
- Versatile use: Our hex bolt sets are suitable for various applications, including automotive, machinery, construction, and more.
- Precise threading: Each hex bolt in our set is precisely threaded, ensuring a snug fit and providing a secure hold for the components they fasten.These heavy duty hex nuts and bolts with full deep thread will provide a stronger and quicker torque than ordinary screws, which will make force evenly, not easy to slip and ensure long-lasting tightening force, you can use it with confidence.
- Hex bolts generally require flat & lock washers to evenly distribute the pressure from the head and the nut. The combinations we provide save your time and money to buy washers and nuts seperately.
- Value pack: Our hex bolt sets are available in different sizes and quantities to meet your needs. Each set provides excellent value for money, ensuring that you have plenty of high-quality hex bolts for your projects.
- Made from 18-8 stainless steel, screws have good chemical resistance and may be mildly magnetic.


Main products

About us
Jiangsu Hongniu Automotive Parts Co., Ltd. was founded in June 2000. Located in Tangzhuang Town, the eastern suburbs of the historic and cultural city of Gaoyou, with convenient transportation. The company covers an area of 35000 square meters and currently has over 300 employees, including 70 high-level and intermediate professional and technical personnel. Registered capital of 20 million yuan, total assets of 78 million yuan, and fixed assets of 56 million yuan. Main products: Series standard parts (including national standard and non-standard parts); Various types of automotive parts, hydraulic components, castings, and wind power products; aerospace fasteners, etc. Widely used in industries such as aerospace, machinery, wind power, textiles, automotive manufacturing, petroleum, forging, etc. We have maintained good cooperative relationships with dozens of large and medium-sized enterprises in China, and are highly favored by our customers with our good reputation and excellent quality.
FAQ
Q1: What is your main products?
A1: Our main sale products: series standard parts (including national standard and non-standard parts); Various types of automotive parts, hydraulic components, castings, and wind power products; aerospace fasteners, etc.
Q2: How long is your delivery time?
A2: Generally it is 10-15 days if the goods are in stock. or it is over 30 days if the goods are not in stock, it is according to quantity.
Q3: What is your payment method?
A3: 30% value of T/T in advance and other 70% balance on B/L copy. For small order less than 5000USD, would suggest you pay 100% inadvance to reduce the bank charges.
Q4: Can you provide a sample?
A4: Sure, Our sample is provided free of charge, but not including courier fees.
Q5: Can you customize the product according to the requirements of drawing sheets and so on?
A5: Sure, we can customize the products according to your requirements of drawing sheets, samples and so on. Product information include: material, surface treatment, specification and amount.