Hex Nut Bolt
Hex Nut Bolt Manufacturer

Maa Engineering is the top Hex Nut Bolts Manufacturer in Kolkata, West Bengal. Maa Engineering offers Hex Nut Bolts in a variety of sizes and specifications. Hex Nut Bolts are available in various materials and grades. Hex Nut Bolts are employed in the construction of ports, bridges, transportation networks, and dwellings, among other things. Headed anchor bolts are typically formed of Hex Nut Bolts with forged heads.
About Hex Bolts
High-quality Hex Nut Bolts are what we make in Kolkata, West Bengal. We have a large inventory of Hex Nut Bolts that are available for supply and export. We accept orders and produce goods in accordance with client specifications. We are among the most genuine and legitimate manufacturers on the market. Hex Nut Bolts are unique in style are used in the Construction, Automobile, and engineering industries.
Hex Nut Bolts Specifications
- Hex Bolts Standard: EU, IFI, CSN, Italian, ASME, British BS, Indian IS, ISO, DIN, Polish PN, SAE
- Hex Bolts Sizes:M2, M2.5, M3, M4, M5, M6, M8, M10, M12, M14, M16, M20, M24, M30, M36 to M160
- Hex Bolts Length:3/8 to 8″
- Hex Bolts Materials: High Tensile, Stainless Steel, Inconel Fasteners, Incoloy Fasteners, Hastelloy Fasteners, Monel Fasteners, Silicon Bronze, Phospher Bronze, Aluminium Bronze, Nickel, Brass, Copper, Copper Nickel, Nitronic, Nimonic, ASME, ASTM
- Hex Bolts Coating: PTFE Coated Hex bolt, Hot Dip galvanized Hex bolt, Yellow Zinc Plated Hex bolt, Blue Zinc Plated Hex bolt, Black Zinc Plated, Hex bolt, Zinc Cobalt Plated Hex bolt, Aluminium Zinc Flake Coated Hex bolt, Black Phosphate Hex bolt, Zinc Plated Hex bolt, Nickel Plated Hex bolt
- Hex bolts Forming:Hot Forged Hex Bolts & Cold Forged Hex Bolts
Hex Bolts Sizes & Standards
Standards | Sizes |
ASME B18.2.1 Hex Bolts | 3/8 inch to 3 inch |
BS 1769 Hex Bolts | ½ inch to 2 inch |
ASME B18.2.3.6M Hex Bolts | M12 to M36 |
ASME B18.2.3.7M Hex Bolts | M16 to M36 |
DIN 6914 Hex Bolts | M12 to M36 |
ISO 7412 Hex Bolts | M12 to M36 |
UNI 5712 Hex Bolts | M12 to M36 |
DIN-EN 14399-4 Hex Bolts | M12 to M36 |
Hex Bolts Materials / Grades & Sizes
Materials | Grades |
Stainless Steel | ASTM / ASME SA 312 GR. TP 304 , 304L , 304H, 309S ,309H , 310S, 310H , 316 , 316TI , 316H , 316 LN , 317 , 317L , 321 , 321H , 347 , 347 H , 904L . |
Duplex Steel | UNS NO S 31803, S 32205, S 32550, S 32750, S 32760. |
Alloys Steel | ASTM / ASME A/SA 193 / 194 – B 6, B 7/ B 7M, B 16, 2, 2HM, 2H, GR 6, B 7, B 7M |
Nickel Alloys | Nickel Alloys 200, Nickel Alloys 201 |
Hastelloy | Hastelloy C-22, Hastelloy C-276, Hastelloy C-2000, Hastelloy C-4, Hastelloy X, Hastelloy B, Hastelloy N, Hastelloy G |
Inconel | Inconel 600, Inconel 601, Inconel 625, Inconel 625LCF, Inconel 686, Inconel 718, Inconel 800, Inconel 825, Inconel X-750 , Inconel 690, Inconel 602, Inconel 617, Inconel 925, Inconel A-289, Inconel AL-6XN, AL-904L |