| Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
|---|---|
| Type | Bolt, Nut, Screw, Washer, Rivet, Threaded Rod, Studs, Coated, Nails, Custom Fasteners |
| Standard | Din, Iso, Jis, Gb, Is, Bs, Astm |
| Length | 1-6meter |
| Material | Stainless Steel, Monel, Inconel, Incoloy, Hastelloy, Nickel, Silicon Bronze, Phosphor Bronze |
Heavy Duty Custom Fasteners – Carbon Steel, Alloy Steel, Stainless Steel 304/316, Duplex & Super Duplex, Nickel Alloy Grades
Vintex Steel and Engg Co is one of the leading Custom Fasteners Manufacturer and it offers a high level of precise engineered fasteners that are made according to the specific needs of the industry. Our Custom Fasteners are made to be of superior strength, durability, and reliability hence it can be used in the automotive, machinery, construction as well as heavy engineering applications. These fasteners are made using high-grade steel, stainless steel and alloy material that provides a high level of corrosion resistance and mechanical stability. Being a reliable manufacturer of Custom Fasteners, we make sure that each product is designed with accuracy as well as under the strict quality benchmark and guaranteed consistency in its performance even under the extreme stress and high vibration conditions.We also provide other product like Washers
Our professional b2b service enables easy procurement, bulk orders and customization to fit specific project requirements. Customers have a choice of different sizes, types of threads, materials and finishes and this makes the fasteners to be exactly the right fit to their applications. Having a particular emphasis on delivering in a timely manner, high quality guarantee, and technical support, we assist businesses in streamlining their operations and minimizing maintenance issues. These fasteners are applicable in the industry that requires precision, durability and reliable performance.Contact us today to request a quote or discuss your requirements.
Custom Fasteners Weight Chart in KG, MM, PDF
| Size | Bolt 50mm | Bolt 75mm | Bolt 100mm | Nut | Washer |
|---|---|---|---|---|---|
| M6 | 1.95 kg | 2.70 kg | 3.45 kg | 0.45 kg | 0.28 kg |
| M8 | 3.80 kg | 5.25 kg | 6.70 kg | 0.90 kg | 0.55 kg |
| M10 | 6.20 kg | 8.60 kg | 11.00 kg | 1.70 kg | 0.85 kg |
| M12 | 9.10 kg | 12.50 kg | 16.00 kg | 2.60 kg | 1.25 kg |
| M16 | 18.20 kg | 25.60 kg | 33.00 kg | 5.80 kg | 2.75 kg |
| M20 | 30.50 kg | 42.80 kg | 55.00 kg | 9.50 kg | 4.60 kg |
Custom Fasteners Grade Table
| Material Category | Grade / Specification | Standard | Key Properties | Typical Applications |
|---|---|---|---|---|
| Carbon Steel | ASTM A307 | ASTM | Good strength, economical | Structural, general engineering |
| Alloy Steel | ASTM A193 B7 / B16 | ASTM | High tensile strength, heat resistance | Oil & gas, petrochemical |
| Stainless Steel | SS 304 / 304L | ASTM A193 B8 | Corrosion resistant, good formability | Food processing, marine |
| Stainless Steel | SS 316 / 316L | ASTM A193 B8M | Superior corrosion resistance | Chemical, offshore |
| Stainless Steel | SS 310 / 321 | ASTM | High temperature resistance | Boilers, heat exchangers |
| Duplex Steel | 2205 (UNS S31803/S32205) | ASTM A182 | High strength & corrosion resistance | Marine, desalination |
| Super Duplex | 2507 (UNS S32750) | ASTM A182 | Excellent pitting & crevice resistance | Offshore, chemical plants |
| Nickel Alloy | Inconel 600 / 625 / 718 | ASTM B166 / B446 | High temperature & oxidation resistance | Aerospace, power plants |
| Nickel Alloy | Monel 400 | ASTM B164 | Excellent seawater resistance | Marine, pumps |
| Nickel Alloy | Hastelloy C276 | ASTM B574 | Superior chemical resistance | Chemical processing |
| Copper Alloy | C11000 / C12200 | ASTM B152 | High conductivity & corrosion resistance | Electrical applications |
Carbon Steel (ASTM A307), Alloy Steel (ASTM A193 B7/B16), Stainless Steel 304/304L and 316/316L (ASTM A193 B8/B8M), high-temperature grades such as SS 310 and 321, Duplex 2205, Super Duplex 2507, and high-performance Nickel Alloys such as Inconel 600/625/718, Monel 400, and Hastelloy C276 are among the material grades used to manufacture our Custom Fasteners. We also offer Copper Alloy grades like C11000 and C12200 for electrical and corrosion-resistant applications. These grades provide outstanding mechanical strength, corrosion resistance, temperature stability, and durability, making them ideal for the oil and gas, petrochemical, maritime, power generating, construction, and heavy engineering industries. Custom fasteners are offered in tailored dimensions, coatings, threads, and specifications based on client designs and international standards to assure consistent performance.
Type of Sub-products

Custom Nuts Custom Nuts
Custom Nuts are specially designed fastening components tailored to meet specific application requirements. Made from materials like stainless steel, carbon steel, and alloy steel, they offer excellent strength, durability, and corrosion resistance. Custom nuts are ideal for unique industrial, automotive, and machinery applications where standard nuts may not fit, ensuring secure, precise, and long lasting connections in critical assemblies.

Custom Screws Custom Screws
Custom Screws are specially engineered fasteners designed to meet unique specifications for various industrial, automotive, and machinery applications. Made from high quality materials such as stainless steel, carbon steel, and alloy steel, they provide excellent strength, durability, and corrosion resistance. Custom screws ensure precise fit, secure fastening, and long lasting performance, making them ideal for specialized assemblies where standard screws cannot be used.
