Fasteners Built for
Corrosive, High-Pressure &
Cryogenic Extremes
DUROX INDUSTRIAL designs and manufactures corrosion-resistant, high-temperature/high-pressure and low-temperature bolting solutions for oil & gas, offshore, chemical and bridge infrastructure -- from material selection through precision manufacturing, surface engineering, and full testing & validation.
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- Facility
- 8,000 m²
- QMS Certified
- ISO 9001·18001
- Coating Capacity
- 5,000 t/yr
- Standards
- EN·NORSOK·GOST
Trusted on Projects Across Continents
Our fasteners are specified on offshore platforms, refineries, LNG terminals and bridge structures worldwide, supplied under region-specific standards and full traceability documentation.
Europe · Offshore
North Sea Platform Retrofit
Duplex S32750 studs supplied per Norsok M650.
Middle East · Refining
Refinery Turnaround Project
B7M/L7M bolting per ASME with hydrogen embrittlement control.
North America · LNG
LNG Terminal Cryogenic Bolting
Low-temperature impact tested A320 L7 fasteners.
Southeast Asia · Infrastructure
Cross-Bay Bridge Structural Bolts
High-strength assemblies per EN 14399, GB standards.
Every Fastener, Manufactured to Spec
Threaded Rods & Studs
Full-Thread & Double-End Studs
Hex Bolts & Nuts
U-Bolts
Custom Non-Standard Parts
One Partner, End-to-End Support
Material Selection
Alloy, stainless and carbon steel grades matched to corrosive, high-temperature or cryogenic service conditions.
Precision Manufacturing
Automated forging, thread rolling and heat treatment lines ensure dimensional accuracy and consistent mechanical performance.
Surface Engineering
Coordinated base and top-coat systems delivering 2,000 to 5,000+ hours of proven salt-spray resistance.
Testing & Validation
Full-cycle chemical, mechanical and coating verification with process SPC and traceable documentation.
Every Claim, Backed by Evidence
Certified quality systems, internationally recognized standards, purpose-built manufacturing infrastructure and rigorous laboratory testing -- the full body of proof behind every fastener we ship.
ISO 9001
Quality Management System certified across the full manufacturing chain.
ISO 18001
Occupational health and safety management certified for facility operations.
Standards Compliance
Critical projects governed by EN 14399, Norsok M650 and GOST R; supplied per ASME, ISO, DIN, GOST, GB, HG, SH, NB and JB.
Manufacturing Infrastructure
- Robotic Xylan automated spraying line
- Automated cutting, chamfering, marking and thread rolling
- Hydraulic hot-forging lines for bolts, nuts and U-bolts
- Solution annealing and quench-temper furnaces
- Zinc infusion and automated packaging lines
Plant Area
8,000 m²
Coating Capacity
5,000 t/yr
Spraying Capacity
3,000 t/yr
Grades Stocked
9+
Proven Salt Spray Performance
Zinc Plating + Xylan 1424
2,000+ hrs
Salt spray resistance, no red rust
Zinc-Nickel Plating (+ Xylan)
5,000+ hrs
Salt spray resistance, no red rust
Base Layers
Zinc Plating · Zinc/Manganese Phosphate · Zinc-Nickel Plating · Xylan 2 Primer · Zinc Infusion
Top Coats
Whitford Xylan 1000/1400 Series · PTFE · FBE · Ceramic · Zinc Infusion
Quality & Testing Systems
Chemical & Mechanical Testing
Full chemical composition, tensile, and low-temperature impact testing per batch.
Hardness Verification
Rockwell and King 3000 Brinell hardness testing on every production lot.
Coating Thickness & Adhesion
Film thickness, adhesion and extended salt spray testing on all coated parts.
PT / MT NDT
Non-destructive penetrant and magnetic particle testing for critical components.
Go/No-Go Thread Gauging
100% thread and dimensional gauge inspection prior to shipment.
Hydrogen Embrittlement Control
Controlled plating and baking processes to eliminate embrittlement risk.
Torque-Tension SPC
Statistical process control on torque-tension behavior across production runs.
Full Traceability
Batch-level material certificates and test reports issued with every shipment.
Your Next Project Move Starts with the Right Fastener.
Share your operating conditions with our team. In return, receive a free material-selection guide and a curated coated-fastener sample kit built around your application.
Tell us the challenge
Review the options
Test before commitment
Free technical starter pack
Exchange details.
Get clarity.
Included
Selection guide
Included
Coated samples
Support
Engineer review