| Size | M2 to M100 or 1/8” to 4” |
|---|---|
| Type | Custom Fasteners |
| Standard | Din, Iso, Jis, Gb, Is, Bs, Astm |
| Length | Up to 2000 mm |
| Material | Stainless Steel, Monel, Inconel, Incoloy, Hastelloy, Nickel, Silicon Bronze, Phosphor Bronze |
Custom Fasteners Supplier – ASTM A193, A194, A320, SS 304/316, Duplex 2205/2507, Inconel 600/625/718, Hastelloy Grades
Ananka Group is a reliable custom fasteners manufacturer who has established their niche not only in the quality of fasteners but also in providing their clients with tailor made solutions for fastening needs for various industrial applications across the globe. Our expertise is in the custom bolts, nuts, washers, screws, and studs made out of the best quality steel, like alloy steel, stainless steel, titanium, Inconel, Monel, Hastalloy, and brass. We produce fasteners according to ASTM, DIN, ISO and ANSI and market them in a variety of sizes, surface finishes, and strength grades.
At an international b2b market we serve OEMs, industrial suppliers, and bulk buyers requiring specific fastening products on large projects. Our mass production capacity, fast turnaround time, and global delivery facilitate helping to meet our rigid project deadlines. Your supply chain could be better optimized by getting the right quote and custom made high-quality fasteners with your company using our fasteners that are designed to fit your requirements and calling us today.
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 |
Our Custom Fasteners are manufactured in a wide range of material grades to meet diverse industrial requirements, including Carbon Steel (ASTM A307), Alloy Steel (ASTM A193 B7/B16), Stainless Steel 304/304L and 316/316L (ASTM A193 B8/B8M), high-temperature grades like 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. We also supply Copper Alloy grades including C11000 and C12200 for electrical and corrosion-resistant applications. These grades offer excellent mechanical strength, corrosion resistance, temperature stability, and durability, making them suitable for oil & gas, petrochemical, marine, power generation, construction, and heavy engineering industries. Custom fasteners are available in tailored dimensions, coatings, threading, and specifications as per client drawings and international standards to ensure reliable performance in demanding environments.
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 |
Type of Sub-products

Custom Stud Bolts Custom Stud Bolts
Engineered to order stud bolts in exotic alloys and custom thread patterns.

Custom Hex Screws Custom Hex Screws
Precision screws built to client specifications with special coatings and heads.
