At Dhanlaxmi Stainless, we supply a complete range of Industrial Fasteners engineered for strength, corrosion resistance, and dimensional accuracy. Our fasteners are manufactured to international standards such as ASTM A193, A320, DIN, ISO, and BS, and are suitable for use in oil & gas, construction, automotive, marine, and power sectors.
Our offerings include Hex Bolts, Heavy Hex Bolts, Socket Head Bolts, Carriage Bolts, Flange Bolts, and more. We also supply a wide variety of Nuts like Hex Nuts, Lock Nuts, Nylock Nuts, Wing Nuts, Cap Nuts, and Heavy Hex Nuts with UNC, UNF, and Metric threads. Our Stud Bolt lineup features Full Threaded Rods, Double End Studs, Tap End Studs, and custom threaded bars in grades like ASTM A193 B7, B8, B8M, L7.
Available materials include Stainless Steel (304, 316, 321, 347, 904L), Carbon Steel, Alloy Steel, and high-performance alloys such as Inconel, Monel, Hastelloy, Titanium, and Duplex/Super Duplex (S31803, S32750, S32760). All fasteners can be supplied with MTCs, NACE compliance, and optional Third-Party Inspection.
| Material Type | Standard | Grades | Available Forms | Remarks |
|---|---|---|---|---|
| Stainless Steel | ASTM A193 / A194, ASTM F593 / F594 | 304, 304L, 316, 316L, 310, 321, 347, 904L | Nuts, Bolts, Washers, Studs, Screws | Excellent corrosion resistance, ideal for marine and chemical applications |
| Carbon Steel | ASTM A307, ASTM A563 | Gr. A, B, C | Hex Bolts, Hex Nuts, Stud Bolts | Suitable for general-purpose industrial and structural use |
| Alloy Steel | ASTM A193 / A194, ASTM A320 | B7, B7M, B16, L7, L7M | Studs, Heavy Hex Bolts, Nuts | High tensile strength and excellent performance in high-temperature environments |
| Duplex & Super Duplex Steel | ASTM A479 / UNS | S31803, S32205, S32750, S32760 | Nuts, Bolts, Washers, Studs | High strength and resistance to stress corrosion cracking in chloride environments |
| High Nickel Alloys | ASTM B574 / B160 / B166 / B164 | Inconel 600/625/718, Monel 400/K500, Hastelloy C22/C276, Titanium Gr. 2 / Gr. 5 | Socket Head Bolts, Hex Bolts, Studs, Nuts | Used in extreme chemical, high-pressure, and high-temperature applications |
| Copper Alloys | ASTM B151 / B111 / B466 | Copper, Brass, Bronze, Cupro Nickel 70/30 & 90/10 | Nuts, Bolts, Studs | Preferred in marine and desalination applications due to excellent seawater resistance |
| Fastener Type | Size (Inch / Metric) | Dimensions (mm) | Thread Type | |
|---|---|---|---|---|
| Outer Diameter (OD) | Length (L) | |||
| Bolts | 1/4" (M6) | 6.35 | 25 | UNC / UNF / Metric |
| 3/8" (M10) | 9.52 | 50 | UNC / UNF / Metric | |
| 1/2" (M12) | 12.7 | 75 | UNC / UNF / Metric | |
| Nuts | 1/4" (M6) | 6.35 | - | UNC / UNF / Metric |
| 3/8" (M10) | 9.52 | - | UNC / UNF / Metric | |
| 1/2" (M12) | 12.7 | - | UNC / UNF / Metric | |
| Studs | 1/4" x 3" (M6 x 75) | 6.35 | 75 | UNC / UNF / Metric |
| 3/8" x 4" (M10 x 100) | 9.52 | 100 | UNC / UNF / Metric | |
| 1/2" x 6" (M12 x 150) | 12.7 | 150 | UNC / UNF / Metric | |
We offer a wide range of Industrial Bolts engineered for high performance and durability in demanding environments. These bolts are manufactured to international standards and are ideal for use in construction, oil & gas, marine, and heavy engineering sectors. Available in multiple head types, threading configurations, and sizes, our bolts ensure secure fastening and structural integrity.
Our range of Industrial Nuts is designed to ensure secure fastening and reliable performance under extreme mechanical and environmental conditions. Available in a variety of shapes, sizes, and threads, these nuts are widely used across industries including construction, petrochemical, automotive, and marine.
We supply high-quality Stud Bolts designed for applications requiring precision, strength, and corrosion resistance in flanged connections. These are extensively used in oil & gas, petrochemical, and power sectors where secure and long-lasting threaded fasteners are essential.
Industrial fasteners are essential components used to securely join parts in a wide range of structures, machinery, and systems across industries.
Used in pipelines, flanged joints, valves, and drilling equipment where corrosion resistance and high strength are essential.
Applied in reactors, pressure vessels, heat exchangers, and structural frames in chemically aggressive environments.
Used in turbine assemblies, flanged joints, and boilers for secure and vibration-resistant fastening under thermal stress.
Widely used in steel structures, bridges, heavy machinery, and pre-fabricated buildings for reliable joint integrity.
Used in engine parts, chassis components, and suspension systems for precision assembly and mechanical safety.
Utilized in shipbuilding, offshore platforms, and marine hardware for their corrosion resistance in saline environments.