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Fasteners Manufacturer & Supplier – Realbolt Engineering Industries

At Realbolt Engineering Industries, we specialize in the manufacturing and supply of precision-engineered industrial fasteners designed to perform under the toughest conditions. Backed by over 30 years of experience, we offer an extensive range of fastening solutions tailored to meet global industrial standards. From small screws to heavy-duty bolts, we deliver quality, durability, and performance with every product.


Types of Fasteners We Offer

Realbolt Engineering Industries offers a wide selection of industrial fasteners designed to meet diverse application needs across various sectors. Each type is engineered with precision and tested for durability to ensure optimal performance under demanding conditions. Explore our range of fastener types below:


Materials and Grades We Offer

At Realbolt Engineering Industries, we manufacture fasteners using a wide range of materials and grades to suit the needs of diverse industrial environments, including high-temperature, corrosive, and high-strength applications.

Material Type Grades Available
Stainless Steel SS 304, 304L, 316, 316L, 310, 310S, 321, 347, 410, 420, 430, 904L
Carbon Steel ASTM A193 B7, B7M, B16, B8, B8M; ASTM A307, A325, A563, A194 Gr. 2H, Gr. 4, Gr. 7
Alloy Steel ASTM A182 F5, F9, F11, F22, F91; ASTM A193 B7, B16
Duplex & Super Duplex Steel UNS S31803, S32205, S32750, S32760
Nickel Alloys Alloy 200, 201, 400, K500, 600, 601, 625, 718, 800, 800H/HT, 825
Inconel Inconel 600, 601, 625, 718
Incoloy Incoloy 800, 800H, 800HT, 825
Hastelloy Hastelloy C22, C276, B2, X
Monel Monel 400, K500
Titanium Grade 1, 2, 5 (Ti-6Al-4V), Grade 7
Copper Alloys Cu-Ni 70/30, 90/10, Brass, Bronze
Tantalum R05200, R05400
Aluminum Alloys 6061, 6063, 7075, 2024
Coated Fasteners Hot Dip Galvanized, PTFE Coated, Zinc Plated, Black Oxide

Applications of Fasteners

Realbolt Engineering Industries supplies precision fasteners to meet the stringent demands of critical applications across a wide spectrum of industries. Our fasteners are designed to perform reliably under high pressure, temperature, vibration, and corrosive environments.

  • Oil & Gas Industry: Used in pipelines, rigs, refineries, and subsea equipment for high-stress connections.
  • Petrochemical Plants: Suitable for corrosive environments involving chemicals, acids, and high heat.
  • Construction & Infrastructure: Used in structural steel fabrication, bridges, buildings, and tunnels.
  • Automotive & Heavy Vehicles: Applied in engine assemblies, suspension systems, and chassis structures.
  • Power Generation: Used in turbines, boilers, and nuclear applications requiring high-strength fastening.
  • Marine & Offshore: Ideal for saltwater and coastal environments where corrosion resistance is crucial.
  • Aerospace & Defense: Employed in airframes, landing gears, and high-performance mechanical systems.
  • Machinery & Equipment: Widely used in assembling industrial machinery, tools, and production lines.
  • Railways: Utilized in rail tracks, coaches, and maintenance systems requiring vibration resistance.
  • Renewable Energy: Essential in wind turbines, solar panel mounts, and hydro systems.

Manufacturing Standards

At Realbolt Engineering Industries, we manufacture fasteners in strict compliance with globally recognized standards to ensure safety, durability, and performance. Our fasteners meet the following international specifications and norms:

  • ASTM (American Society for Testing and Materials) – ASTM A193, A194, A307, A325, A490, A563, etc.
  • ASME (American Society of Mechanical Engineers) – ASME B18.2.1, B18.2.2, B18.3, B18.16, etc.
  • ISO (International Organization for Standardization) – ISO 898, ISO 4014, ISO 4032, ISO 4762, ISO 10642, etc.
  • DIN (Deutsches Institut für Normung) – DIN 931, 933, 934, 912, 125, 975, etc.
  • BS (British Standards) – BS 3692, BS 4190, BS 4320, BS 7419, etc.
  • EN (European Norms) – EN 24014, EN ISO 3506, EN 14399, etc.
  • JIS (Japanese Industrial Standards) – JIS B 1180, B 1181, B 1186, etc.
  • ANSI (American National Standards Institute) – ANSI B1.1 (Unified Inch Screw Threads), ANSI B18.6.3, etc.
  • NACE (National Association of Corrosion Engineers) – NACE MR0175 / ISO 15156 for sour service fasteners