Register Office: 9, Ratna Sadan, 105, 5th Kumbharwada Lane, Mumbai 400004.
Corporate Office :
2nd Floor, Office No 5/B, Kanji Mansion
Sardar Vallabhbhai Patel Road
Khetwadi Mumbai 400 004
Kwality Tubes provides a wide range of high-quality fasteners made from premium stainless steel, carbon steel, and alloy steel, ensuring strong, durable, and reliable connections in industrial and construction applications. The product lineup includes bolts, nuts, screws, washers, studs, and threaded rods in various sizes, grades, and finishes, each undergoing strict quality checks for dimensional accuracy, mechanical strength, and corrosion resistance. Used extensively in oil and gas, automotive, construction, petrochemical, and machinery sectors, Kwality Tubes’ fasteners deliver superior performance, long service life, and dependable joint integrity for critical structural and assembly needs.
| Specification | Details |
|---|---|
| Material | Stainless Steel, Carbon Steel, Alloy Steel, High Tensile Steel |
| Standards | ISO 898-1, ASTM A193, ASTM A194, DIN, EN |
| Types | Bolts, Nuts, Screws, Washers, Studs, Threaded Rods |
| Size Range | M3 to M100 / 1/8" to 4" |
| Thread Type | Metric, UNC, UNF, BSP, NPT |
| Finish | Plain, Zinc Plated, Galvanized, Black Oxide, Hot Dip Galvanized |
| Applications | Construction, Automotive, Machinery, Petrochemical, Power Plants |
| Grade | Composition Highlights | Common Applications |
|---|---|---|
| SS 304 / 304L | 18% Cr, 8% Ni / Low Carbon | Corrosion-resistant applications, chemical and food industries |
| SS 316 / 316L | 16% Cr, 10% Ni, 2% Mo | Marine, chemical plants, high-corrosion environments |
| Carbon Steel Grade 4.6 / 8.8 | Medium Carbon Steel, High Tensile Strength | General machinery, construction, structural applications |
| Alloy Steel Grade 10.9 / 12.9 | Chromium-Molybdenum Alloy | High-stress applications, automotive, heavy machinery |
| Duplex / Super Duplex | High Cr, High Mo, Excellent Corrosion Resistance | Seawater systems, offshore platforms, chemical applications |