Engineering Precision.
Uncompromising Integrity. Global Reach.
For over 25 years, Zeron Fasteners has been at the forefront of precision engineering, manufacturing and stocking severe-service industrial fasteners, high-pressure forged flanges, and flow-control valves for the world’s most critical infrastructure projects.
Years Of Excellence
Export Destinations
EPC & Industrial Clients
EN 10204 3.1 Certified
Built On Metallurgy Mastery & Precision Industrial Craftsmanship
Headquartered in Mumbai, India, Zeron Fasteners has evolved from a specialized domestic fastener producer into a premier, multi-disciplinary manufacturing hub supplying heavy-duty fastening systems, forged fittings, and industrial valves worldwide.
We bridge rigorous metallurgical science with modern CNC turning, cold heading, and hot forging technologies. Whether our clients require standard ASTM A193 B7 stud bolts for an offshore platform or bespoke Zeron 100 super duplex flanges for a harsh chemical refinery, our team executes every order with micro-millimeter precision and total batch traceability.
100% heat-number traceable components supplied with EN 10204 3.1 Mill Test Certificates.
Four Pillars of Engineering Superiority
Our client relationships are anchored in transparent metallurgy, uncompromising tolerances, and dependable delivery timetables.
Exotic Metallurgy Specialists
Deep domain expertise in Duplex (UNS S31803), Super Duplex (S32750), Zeron 100, Inconel (625/718), Hastelloy (C22/C276), Monel, and Titanium Grade 2 & 5.
Precision CNC Manufacturing
Equipped with high-precision CNC multi-axis lathes, hot forging presses, and specialized thread rolling equipment capable of ±0.01mm tolerances.
Stringent In-House QA Lab
Complete in-house testing facilities including Spectrometric PMI, Charpy V-notch sub-zero impact testing (-196°C), tensile testing, and optical thread pitch comparators.
Global Express Logistics
Strategic warehousing in Mumbai with direct port proximity to Nhava Sheva (JNPT) and Mumbai Air Cargo for prompt worldwide dispatches.
Our Laboratory & Inspection Capabilities
Every product batch manufactured by Zeron Fasteners is verified against strict international standards prior to packing and release.
Handheld XRF & Optical Emission Spectrometry to guarantee alloy composition.
Yield, elongation, proof load, and tensile strength testing up to 1000 kN capacity.
Low-temperature impact testing down to -196°C for cryogenic and arctic applications.
Pressure testing up to 15,000 PSI on forged flanges and industrial valve assemblies.
Detecting internal micro-fissures, porosity, and inclusions in high-stress forgings.
Full traceability documentation with chemical, physical, and NACE compliance records.
Industries We Empower Globally
Delivering severe-service components built to withstand extreme temperatures, pressures, and corrosive environments.
Oil, Gas & Offshore
High-tensile stud bolts, RTJ flanges, and choke valves for subsea and deepwater platforms.
Petrochemical & Refineries
Hastelloy and Inconel fasteners resistant to sulfuric acid, chlorides, and high-heat cracked gases.
Marine & Naval Defense
Copper-nickel and Monel fasteners with maximum resistance to saltwater galvanic corrosion.
Power Generation
High-temperature alloy steel fasteners (A193 B16, B8M) for super-critical steam turbines.
Desalination & Waterworks
Super Duplex 2507 and Zeron 100 components designed for high-salinity brine reverse osmosis plants.
Heavy Infrastructure & EPC
Foundation anchor bolts, heavy hex nuts, and high-strength structural assemblies.
Ready to Partner with Zeron Fasteners?
Request an immediate quotation for standard or custom-engineered fasteners, flanges, and valves with complete technical certification.