Stud Bolt and Nut
Zhengzhou Hongze Valve Pipeline Co., Ltd. is a professional manufacturer and supplier of pipeline fittings, valves, rubber expansion joints, steel pipes, fasteners, and related pipeline products in China. Our stud bolts and nuts are widely used for flange connection in industrial pipeline systems, providing strong fastening performance, reliable sealing support, and stable operation under different working conditions.
Stud bolts and nuts are essential fasteners for flange joints. They are commonly used together with flanges, gaskets, valves, pipe fittings, and other pipeline components to ensure safe and reliable pipeline connection.
Product Overview
Our stud bolts and nuts can be supplied in different materials, grades, thread standards, lengths, diameters, surface treatments, and packing methods according to customer requirements. Products are suitable for high pressure, high temperature, corrosion-resistant, and general industrial pipeline applications.
Material, size, thread type, coating, marking, and packing can all be customized according to project requirements.
Common Materials and Grades
Materials can be customized according to working medium, temperature, pressure, flange standard, and project specifications.
Common materials and grades include:
- Carbon Steel: 4.8, 8.8, 10.9
- Alloy Steel: ASTM A193 B7, B7M, B16
- Stainless Steel: ASTM A193 B8, B8M, 304, 316, 316L
- Nuts: ASTM A194 2H, 2HM, 4, 7, 8, 8M
- Other special materials and grades can also be customized upon request.
Product Types
Available types include:
- Fully Threaded Stud Bolt
- Double End Stud Bolt
- ASTM Stud Bolt and Nut
- High Strength Stud Bolt
- Stainless Steel Stud Bolt
- Carbon Steel Stud Bolt
- Alloy Steel Stud Bolt
- Flange Stud Bolt and Nut Set
Key Features
- High strength and reliable fastening performance
- Suitable for flange connection in pipeline systems
- Accurate thread processing and stable dimensional control
- Good resistance to pressure and vibration
- Available for high temperature and high pressure applications
- Custom material, size, grade, and coating available
- Can be supplied with matching nuts and washers
- Suitable for industrial, petrochemical, oil and gas, and power plant projects
Surface Treatment
Surface treatment can be customized according to project and working environment requirements.
Common surface treatments include:
- Black finish
- Zinc plated
- Hot dip galvanized
- PTFE coated
- Xylan coated
- Dacromet coated
- Nickel plated
- Plain oil finish
- Other coatings can be customized upon request.
Available Standards
Products can be manufactured according to different standards, including:
ASTM, ASME, ANSI, DIN, EN, ISO, GB/T and other project-specific standards.
Common specifications include:
- ASTM A193
- ASTM A194
- ASME B16.5 flange connection requirements
- ASME B16.47 flange connection requirements
- DIN 976
- DIN 975
- ISO metric thread standards
Applications
Widely used in:
- Flange connection systems
- Oil and gas pipelines
- Petrochemical industry
- Power plant pipelines
- Water supply and drainage systems
- Valves and pipe fittings connection
- Chemical processing systems
- Shipbuilding and marine pipeline systems
- High pressure and high temperature pipeline projects
- General industrial equipment installation
Why Choose Zhengzhou Hongze Valve Pipeline Co., Ltd.
- Professional pipeline product manufacturer and supplier
- Custom material, grade, size, thread, and coating available
- Matching nuts and washers can be supplied together
- Strict quality control before delivery
- Support standard and project-based customization
- Competitive factory price
- Fast response and professional technical support
- Suitable for small orders and bulk project procurement
- Export packing and documentation support available
Contact Us
For quotation, technical details, drawings, or customized requirements, please contact us.
Company: Zhengzhou Hongze Valve Pipeline Co., Ltd.
WhatsApp: https://wa.me/message/7H377VGQL65IH1
Email: export@hongzepipe.com











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