Stud Bolt & Nut Manufacturer & Exporter – Ravina Fasteners India

High-Quality Stud Bolts and Nuts for Industrial Applications

Ravina Fasteners India is a leading manufacturer and exporter of Stud Bolts and Nuts designed for heavy-duty industrial use. We supply precision-engineered stud bolts that meet DIN, ISO, ASME, and JIS standards, ensuring maximum strength, durability, and performance in every fastening application.

Why Choose Ravina Fasteners for Stud Bolts & Nuts

Our stud bolts are manufactured using high-grade raw materials and advanced production technology. Each fastener undergoes strict quality inspection to ensure dimensional accuracy, corrosion resistance, and superior tensile strength.
We export to industries such as oil & gas, petrochemical, power generation, construction, marine, and heavy machinery worldwide.

Stud Bolt Standards We Manufacture

DIN Standards

• DIN 938 – Studs with metric thread and reduced shank

• DIN 939 – Double-ended studs with equal length thread

• DIN 940 / DIN 835 – Studs for flange connections

• DIN 976 – Threaded rods (full thread stud bolts)

ISO Standards

• ISO 898-1 – Mechanical properties of fasteners

• ISO 4759 – Tolerances for bolts and nuts

• ISO 261 / ISO 965 – Metric thread dimensions and tolerance

• ISO 4017 / 4032 – Companion hex nuts for stud bolts

ASME / ASTM Standards

• ASTM A193 B7 / B16 / B8 / B8M – Alloy and stainless steel stud bolts

• ASTM A194 2H / 8 / 8M – Heavy hex nuts for high-temperature and pressure applications

• ASME B1.1 / B1.13M – Unified and metric thread standards

• ASME B18.2.2 – Nut dimensions and tolerances

JIS Standards (Japanese Industrial Standard)

• JIS B1181 / B1186 – Stud bolts and nuts for machinery

• JIS B0205 / B0209 – Thread specifications

• JIS B1183 – Double-end studs for flanges

Thread Types Available

Metric Threads

Used for general engineering and machinery applications as per DIN/ISO standards.

Unified Threads (UNC/UNF)

As per ASME/ANSI standards, suitable for petrochemical and oil refinery applications.

BSW / BSF Threads

British Standard Whitworth and Fine threads, used in legacy and structural applications.

ACME and Trapezoidal Threads

Designed for motion and load-bearing mechanisms, ensuring smooth performance under stress.

Material Grades for Stud Bolts and Nuts

Carbon Steel

• Grades: 8.8, 10.9, 12.9

• Common coating: Black oxide, zinc plated, hot-dip galvanized

Alloy Steel

• Grades: B7, B16, L7 – ideal for high-pressure and temperature environments

Stainless Steel

• Grades: A2-70, A4-80, B8, B8M – provides excellent corrosion resistance

Brass / Copper / Nickel Alloys

• For non-sparking, chemical, and marine applications

Applications of Stud Bolts and Nuts

• Oil & Gas Refineries

• Petrochemical Plants

• Power Generation and Boilers

• Construction and Infrastructure

• Flanges and Pipe Fittings

• Heavy Engineering Machinery

• Shipbuilding and Marine Equipment

Precision Engineering by Ravina Fasteners India

At Ravina Fasteners, every stud bolt and nut is CNC-machined, heat-treated, and tested for hardness, strength, and dimensional accuracy. We provide customized manufacturing as per client drawing, thread type, and coating requirement.

Global Exporter of Stud Bolts & Nuts

We proudly export our products to Europe, South America, Middle East, and Asia-Pacific regions, meeting international quality certifications and client specifications. Our commitment is to deliver on-time shipments with consistent product quality.