Studs and threaded rods are among the most versatile and widely used fasteners in modern industries. Unlike standard bolts and screws, studs and threaded rods are designed with continuous threading across their length, allowing them to be cut to desired sizes and used for various applications that demand strength, durability, and precision. They play a vital role in mechanical engineering, construction, piping systems, petrochemical plants, power generation facilities, and general fabrication works. Their ability to provide excellent clamping force, coupled with uniform load distribution, makes them indispensable for critical connections.
Threaded rods are essentially long fasteners that are threaded along their entire length, often referred to as “all-thread rods” or ATR. They can be cut to custom sizes and are frequently used when standard-length bolts are not suitable. Studs, on the other hand, are shorter threaded bars available in different types such as double-end studs, fully threaded studs, and tap-end studs. These are widely employed in flanged connections, machinery assemblies, and structural applications.
The performance of studs and threaded rods depends greatly on the materials from which they are manufactured. Stainless steel variants such as SS 304, 304L, 304H, 304LN, 316, 316L, 316Ti, 317, and 321 are highly valued for their corrosion resistance, durability, and suitability for aggressive environments. Duplex and super duplex grades are particularly popular in marine and offshore industries where resistance to stress corrosion cracking is critical. Nickel alloys, Monel, Inconel, Hastelloy, Titanium, Copper Nickel, Alloy 20, and SMO 254 expand the range for applications in high-temperature, high-pressure, and chemically aggressive conditions. Carbon steel, mild steel, alloy steel, and high-tensile steels are ideal for heavy-duty engineering, structural applications, and general industrial use due to their high strength and cost-effectiveness.
Studs and threaded rods are available in multiple specifications and standards such as ASTM A193, ASTM A320, DIN, ISO, BS, and ANSI, ensuring global compatibility and performance reliability. Depending on requirements, they can be supplied in various finishes such as plain, zinc-coated, galvanised, PTFE-coated, hot-dip galvanised, and black oxide-coated. The mechanical properties such as tensile strength, yield strength, elongation, and hardness vary based on the chosen material and standard, ensuring suitability for specific industrial conditions.
Applications of studs and threaded rods are widespread. They are used in chemical processing plants, oil & gas refineries, offshore platforms, construction projects, marine engineering, boilers, heat exchangers, pumps, turbines, and pressure vessels. Their versatility, ease of use, and strength make them an essential fastener solution across industries.
At Neonox Overseas, we supply a complete range of studs and threaded rods in all material grades and specifications, customised to meet client requirements. Our products conform to international quality standards, ensuring durability, precision, and reliability even in the most challenging industrial environments.
| Category | Details |
|---|---|
| Types | Double End Studs, Fully Threaded Studs, Tap End Studs, Continuous Threaded Rods (ATR), Flange Studs, Custom Studs |
| Material Grades – Stainless Steel | SS 304, 304L, 304H, 304LN, 316, 316L, 316Ti, 317, 317L, 321, 321H, 347, 347H |
| Material Grades – Duplex & Super Duplex | Duplex 2205 (UNS S31803/S32205), Super Duplex 2507 (UNS S32750/S32760) |
| Material Grades – Nickel Alloys | Inconel 600, 601, 625, 718; Monel 400, K500; Hastelloy C22, C276; Nickel 200/201 |
| Other Exotic Alloys | Titanium (Gr. 2, 5, 7), Copper Nickel (Cu-Ni 70/30, 90/10), Alloy 20, SMO 254 |
| Carbon & Alloy Steel | Carbon Steel (ASTM A36, A307), Mild Steel, Alloy Steel (ASTM A193 B7, B7M, B16), High Tensile Steel |
| Coatings / Finishes | Plain, Zinc Plated, Hot-Dip Galvanized, PTFE Coated, Black Oxide, Cadmium Plated |
| Standards | ASTM A193, ASTM A320, DIN, ISO, BS, ANSI, ASME |
| Size Range |
Diameter: M6 to M100 (1/4” to 4”) Length: Up to 3 Meters (custom lengths available) |
| Mechanical Properties |
Tensile Strength: 400 – 1100 MPa (depending on material) Yield Strength: 200 – 900 MPa Hardness: 80 – 320 HB Elongation: 15% – 40% |
| Applications | Oil & Gas, Petrochemical, Power Generation, Marine, Construction, Offshore, Heat Exchangers, Pressure Vessels, Boilers, Pumps, Turbines, Structural Engineering |
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