
Bolts, Nuts, Washers, Screws & Threaded Rods in SS, CS, Alloy Steel, Nickel Alloy, Duplex & Titanium grades — as per ASTM A193 / A194.
Siddhgiri Overseas manufactures and exports a complete range of industrial fasteners in all materials and sizes. Our fasteners are manufactured as per ASTM A193, A194, A307, A325, DIN and ISO standards.
We supply fasteners for oil & gas, petrochemical, power plants, construction and other industries across 40+ countries worldwide.
to M100
to 4" Dia
Material Grades
Countries Exported

Browse our complete range of fasteners available in various materials and specifications.
Stainless SteelCorrosion-resistant stainless steel fasteners for chemical, marine and food industry applications.
Carbon SteelHigh-strength carbon steel fasteners for structural, construction and general engineering use.
Alloy SteelHigh-temperature alloy steel fasteners for power plants, boilers and pressure vessels.
Nickel AlloyHigh-performance nickel alloy fasteners for extreme corrosion and temperature environments.
DuplexHigh-strength duplex fasteners for offshore, subsea and chemical processing applications.
TitaniumLightweight, high-strength titanium fasteners for aerospace, chemical and marine applications.
Hex Bolts & NutsStandard hex bolts, hex nuts and washers for general engineering and structural applications.
Threaded RodsFully threaded rods, machine screws and set screws for industrial and construction use.
Alloy Steel Bolting Materials
Nuts for High Pressure
CS Bolts & Studs
High Strength Bolts
Hex Bolts
Hex Head Bolts
Titanium Nuts
Technical Supply Conditions
Tell us your specifications — material grade, size, standard & quantity. We'll respond within 24 hours.