Special Grade Bolts Manufacturer & Exporter in India

Industrial-Grade Bolts

We manufacture and supply a wide range of precision-engineered a a bolts designed to withstand extreme pressure, temperature, and corrosive environments. Our bolts are available in stainless steel, alloy steel, duplex, super duplex, nickel alloys, and other special grades.

Types of Special Grade Bolts

• ✔ Hex Bolts
• ✔ Heavy Hex Bolts
• ✔ Stud Bolts
• ✔ Anchor Bolts
• ✔ Eye Bolts
• ✔ U Bolts
• ✔ Allen Bolts
• ✔ Elevator Bolts
• ✔ Hanger Bolts

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Hex Bolts

We are leading manufacturer and exporter of Stainless Steel Hex Bolts in ASTM, DIN, ISO standards. Available in SS 304, 316, Duplex, Inconel and other grades for oil & gas, petrochemical and marine industries.

Heavy Hex Bolts

Heavy Hex Bolts are widely used in high-pressure applications and structural assemblies. Supplied in carbon steel, alloy steel and stainless steel with international export packaging.

Stud Bolts

Our Stud Bolts are manufactured as per ASTM A193, A320 and supplied with nuts for refinery and pipeline applications worldwide.

Anchor Bolts

We supply Anchor Bolts for foundation and structural applications, available in customized dimensions and coatings.

Eye Bolts

High-strength Eye Bolts used for lifting and rigging applications, available in various grades and finishes.

U Bolts

Precision engineered U Bolts for piping support systems, available in stainless steel and alloy materials.

Allen Bolts

Allen Bolts (Socket Head Bolts) manufactured with high tensile strength suitable for mechanical and industrial use.

Elevator Bolts

Elevator Bolts designed for conveyor systems and heavy-duty industrial applications.

Hanger Bolts

Hanger Bolts supplied in custom sizes for installation and structural support applications.

Material Grades

Our bolts are manufactured using premium raw materials to ensure strength, durability, and corrosion resistance.

• Stainless Steel: 304, 304L, 316, 316L, 310, 321, 347
• Duplex & Super Duplex: UNS S31803, S32205, S32750, S32760
• Alloy Steel: ASTM A193 B7, B7M, B16
• Nickel Alloys: Inconel, Monel, Hastelloy
• Carbon Steel & Special Custom Grades

Looking for custom sizes or bulk export supply? Contact our sales team today.

Standards & Specifications

• ASTM / ASME / DIN / EN / ISO Standards
• ASTM A193, A194, A320
• ASME B18 Series
• Custom dimensions as per client drawings

Applications

Our special grade bolts are widely used in:

• Oil & Gas Industries
• Petrochemical & Refineries
• Power Plants
• Marine & Offshore Engineering
• Construction & Heavy Engineering

Why Choose Ragnar Metals & Tubes for Industrial Bolts?

We are a globally trusted bolt manufacturer in India offering precision-engineered fastening solutions for critical industrial applications. Our bolts undergo strict quality testing, dimensional inspection and third-party verification to ensure superior mechanical strength and corrosion resistance.

• In-house quality inspection
• EN 10204 3.1 / 3.2 Certification
• Custom coating & plating available
• Export packaging for global shipment
• Competitive bulk pricing

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Frequently Asked Questions (FAQs)