Duplex Stud Bolts with Nuts

High-Strength Corrosion-Resistant Fastening Solutions

Our Duplex Stud Bolts with Nuts are engineered for maximum durability and exceptional corrosion resistance in the toughest industrial environments. Manufactured from duplex stainless steel, these stud bolts and matching nuts provide superior mechanical strength combined with outstanding resistance to chloride corrosion and stress cracking — ideal for offshore, marine, chemical, and heavy-duty construction applications.

  • Premium Duplex Stainless Steel: Typically grade 2205, delivering excellent strength and corrosion resistance.

  • High Tensile Strength: Perfect for heavy load-bearing and high-pressure applications, meeting ASTM A193/A194 or equivalent standards.

  • Precision Threading: Designed for tight, secure fastening with standard threading compatible with industry tools.

  • Corrosion Resistant Finish: Natural or passivated surface for enhanced protection in harsh environments.

  • Complete Sets: Supplied as matched stud bolts and nuts for optimal fit and performance.

Specification

Details

Material

Duplex Stainless Steel Grade 2205

Standards

ASTM A193 (Stud Bolts), ASTM A194 (Nuts)

Tensile Strength

Minimum 800 MPa

Corrosion Resistance

Excellent resistance to chloride and marine corrosion

Thread Type

Coarse and fine thread options available

Sizes

Diameter: M6 to M36, Lengths customizable

Nut Types

Hex nuts, heavy hex nuts

Surface Finish

Natural or passivated

  • Offshore oil & gas platforms

  • Chemical & petrochemical processing plants

  • Marine vessels and shipbuilding

  • Power plants and heavy industrial machinery

  • Structural connections in corrosive environments

  • High-pressure pipe flanges and equipment assemblies

✅ Superior Corrosion Protection ideal for aggressive environments

✅ High Mechanical Strength suitable for critical load-bearing connections

✅ Full Compliance with international standards for safety and quality

✅ Custom Sizing & Threading to meet project specifications

✅ Fast UAE Delivery including Dubai, Abu Dhabi, Sharjah, and more

✅ Technical Support & Consultation for the right product fit

Q: What advantages do duplex stainless steel stud bolts have over austenitic grades?
A: Duplex grades offer higher strength and better resistance to stress corrosion cracking, especially in chloride-rich and marine environments.

Q: Are the nuts included compatible with the stud bolts?
A: Yes, all nuts are precision matched to the stud bolts for perfect fit and reliable sealing.

Q: Can you provide custom lengths and sizes?
A: Absolutely, we customize sizes and threading as per your requirements.

Q: What industries commonly use these stud bolts?
A: Common in oil & gas, chemical, marine, power generation, and heavy construction sectors.