Industrial Fasteners & Fittings Built to Last

From precision hex bolts to custom flanges — RR Hydraulic manufactures and exports world-class industrial fasteners, pipe fittings and flanges to EPC contractors and OEMs in 50+ countries.

Complete Product Range

Fasteners, Flanges
& Fittings

Every grade, every material, every standard — from stock to custom manufacturing. One supplier for your entire project BOM.

View All Products ↗

500+ SKUs

Nuts & Bolts

Hex, flange, coupling, lock nuts · HT/SS/Alloy grades · DIN/ISO/ASME standards

300+ SKUs

Screws & Anchors

Machine screws, self-tapping, self-drilling · Chemical & mechanical anchors

800+ SKUs

Industrial Fasteners

Studs, washers, rivets, threaded rods · Full-range heavy-duty OEM supply

600+ SKUs

Flanges

Slip-on, weld neck, blind, socket weld · ANSI/ASME/DIN · CS, SS, Alloy steel

400+ SKUs

Pipe Fittings

Elbows, tees, reducers, couplings · Hydraulic & pneumatic · All pressure ratings

Custom

Custom & Specialty

Non-standard specs, exotic materials, high-temp & corrosion-resistant grades

Materials We Work With

Metals, Alloys
& Exotic Grades

From standard carbon steel to exotic Inconel and Hastelloy — we manufacture in any grade to meet your project specification.

Request by Material ↗

Why Choose Us

25 Years of Industrial Manufacturing Excellence

We don’t just supply — we manufacture. Every fastener, flange and fitting leaves our facility with full material test reports and dimensional inspection certificates.

ISO 9001:2015 Certified

Strict quality control on every batch with full traceability and MTRs on request

Direct Manufacturer Pricing

No middlemen, no markups. Factory-direct pricing for projects of any size

48-Hour Express Dispatch

Emergency project support with dedicated EPC logistics team

Complete BOM Supply

One supplier for your entire bill of materials across fasteners, flanges & fittings

Request Call Back

Global Manufacturer & Exporter

Ready to Source Your
Next Project’s Fasteners?

Send us your BOM or product specifications and get a competitive quote within 24 hours. Our technical team supports EPC contractors, OEMs and distributors in 50+ countries worldwide.

Request a Free Quote ↗ Download Product Catalogue

Our Advantages

What Sets Us Apart

Global Manufacturer

We manufacture in-house and export to 50+ countries. Direct from our facility means tighter tolerances, full traceability, and no supply chain risk.

ISO 9001:2015 Quality

Every product manufactured under strict quality controls with full MTRs, dimensional inspection, and third-party certification available on request.

Best Price Guarantee

Competitive bulk pricing on all categories. We’ll match or beat any verified competitor quote — quality never compromised.

Fastest Delivery

48-hour express dispatch on in-stock items. Air freight options available for critical EPC project schedules worldwide.

Largest Product Range

Over 10,000 SKUs across fasteners, flanges and fittings — all grades, materials and standards. One supplier for your entire project BOM.

25+ Years Experience

Trusted by major EPC contractors, oil & gas companies, and OEMs globally. Deep technical expertise to help you specify the right grade every time.

Industries We Serve

Built for Every
Demanding Industry

Certified Quality

Standards &
Certifications

Every product we manufacture meets international quality standards — backed by full material test reports, dimensional inspection and third-party certification.

ISO 9001:2015

Quality management system certified. Every process from raw material to dispatch is controlled and documented.

ASME B18

American Society of Mechanical Engineers standard for bolts, screws, nuts and fasteners dimensional requirements.

DIN Standards

German Institute for Standardization — covering all major fastener grades including DIN 931, 933, 934 and more.

ASTM / AISI

American Society for Testing and Materials standards — covering material grades A193, A194, A307, A325 and more.

EN 14399

European standard for high-strength structural bolting assemblies for preloading — critical for structural steel projects.

BS / PED

British Standards and Pressure Equipment Directive compliance for fasteners used in pressure vessels and piping systems.

ISO 9001:2015 ASME B18 DIN Standards ASTM / AISI EN 14399 BS / PED

Need a Material Test Report or Certificate?

We provide full MTRs, inspection certificates and third-party test reports on request for all orders.

Request Certificate ↗

Trusted Partners

Our Valued Clients

Trusted by leading EPC contractors, manufacturers and industrial companies worldwide