Flange Bolts Manufacturers & Suppliers

flange bolts manufacturers

TightFit Fasteners: Your Trusted Source as flange bolts manufacturers

In addition to being the most prominent flange bolts manufacturers, TightFit Fasteners is at the forefront of providing high-quality fastening solutions to satisfy a diverse variety of technical requirements in the industrial sector. We take great pride in our dedication to perfection, which is why we as India’s leading flange bolts Suppliers provide a comprehensive collection of Hex Flange Bolts in a wide range of sizes and specifications to meet the needs of a wide variety of projects.

Because of our distinguished record for manufacturing quality, we have established ourselves as a dependable option for building materials across a wide range of sectors. Keeping in mind that every project is one of a kind, we tailor our services to the requirements and drawings provided by the customer. You can count on us to provide you with items that are crafted specifically to satisfy your specifications and standards. We place a high value on your questions, and we make it a point to provide prompt replies to create business connections with reputable firms that are advantageous to both parties.

Flange Bolts Manufacturers & Suppliers

We are your trustworthy Flange Bolts Suppliers

Apart from being the leading flange bolts suppliers, TightFit Fasteners leads the way in offering superior fastening solutions that meet a wide range of technical needs in the industrial sector. As the top flange bolts manufacturers India, we take pride in our commitment to excellence and quality. Our variety of flange bolts is extensive and comes with a huge range of sizes and specifications to suit the demands of a variety of projects. We are a trusted partner for businesses all over the globe. Tightfit Fasteners is strong to deliver bolts that exceed expectations, toughening our position as a leader in the bolt manufacturing industry.

What are Flange Bolts?

A flange bolt is a kind of connection tool that is often used to fasten equipment to a surface or to connect pipe components. Flanges are used are usually square or circular.

A flange’s face and connecting holes are its two primary parts. The pipe or other equipment that has to be attached has the flange face installed on its surface. Usually, the gasket on this surface is flat or slightly raised. They are often used in crucial assemblies where durability and security are of the utmost importance, such as engine mounts, cylinder heads, and suspension systems. Furthermore, flange bolts are used in structural applications including industrial machinery, bridges, and building frames.

Use Applications

  • Power Plants.
  • Aerospace Industry.
  • Ship Building Industry.
  • Construction.
  • Sugar Mills.
  • Oil and Gas Industry.
  • Mining.

Product Specifications

To select the bolts that are most suitable for your requirements, it is vital to take into consideration a variety of aspects, including the materials, sizes, and strength requirements that may differ depending on the application.

Flange BoltsSpecifications
SizeM2, M2.5, M3, M4, M5, M6, M8, M10, M12, M14, M16, M20, M24, M30, M36, M100 to M160
Length3/8 to 8″
StandardsEU, IFI, CSN, Italian, ASME, British BS, Indian IS, ISO, DIN, Polish PN, SAE
FormHot Forged Flange Bolts & Cold Forged Flange Bolts
TypesFully Threaded Flange Bolts, Partial Threaded Flange Bolts, Metric Flange Bolts, Imperial Flange Bolts
Surface CoatingPTFE Coated Flange Bolts, Hot Dip Galvanized Flange Bolts, Yellow Zinc Plated Flange Bolts, Blue Zinc Plated Flange Bolts, Black Zinc Plated Flange Bolts, Zinc Cobalt Plated Flange Bolts, Aluminium Zinc Flake Coated Flange Bolts, Black Phosphate Flange Bolts, Zinc Plated Flange Bolts, Nickel Plated Flange Bolts
MaterialsStainless Steel, Carbon Steel, Mild Steel, Alloy Steel, Nickel Alloy, Inconel, Monel, Hastelloy, Duplex Steel, Super Duplex Steel

Standards & Sizes

ASME B18.2.1 Flange Bolts3/8 inch to 3 inch
BS 1769 Flange Bolts½ inch to 2 inches
ASME B18.2.3.6M Flange BoltsM12 to M36
ASME B18.2.3.7M Flange BoltsM16 to M36
DIN 6914 Flange BoltsM12 to M36
ISO 7412 Flange BoltsM12 to M36
UNI 5712 Flange BoltsM12 to M36
DIN-EN 14399-4 Flange BoltsM12 to M36

Materials And Grades

A wide variety of materials are used in the production of flange bolts, and each of these materials has its own set of benefits and difficulties.

Stainless SteelASTM / ASME SA 312 GR. Materials are 310S, 316LN, 316TI, 317, 309H, 347H, 316, 304L, 316H, 317L, 304, 321H, 309S, 321, 347, 310H, 304H, 904L.
Duplex SteelUNS numbers include S 32205, S 31803, S 32750, S 32550, and S 32760.
Carbon SteelASTM / ASME A 335 GRP 1, P 5, P 9, P 11, P 12, P 22, P 23, P 91
Alloys SteelASTM / ASME A/SA 193 / 194 – B 6, B 7/ B 7M, B 16, 2, 2HM, 2H, GR 6, B 7, B 7M
Nickel AlloysNickel Alloys 200, Nickel Alloys 201
HastelloyHastelloy C-22, Hastelloy C-276, Hastelloy C-2000, Hastelloy C-4, Hastelloy X, Hastelloy B, Hastelloy N, Hastelloy G
InconelInconel 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

Why Select Tightfit Fasteners as Flange Bolts Suppliers?

Foremost Flange Bolts Manufacturers in India

  • Flange Bolts that are both low-maintenance and sustainable
  • Offer dependable and secure Bolting solutions
  • Products That Are Both Efficient and Affordable
  • Conformity with the standards of the ASTM, ASME, ANSI, UNS, and DIN entities
  • Sizes, thicknesses, bar sizes, and grades that span a wide range of options
  • Per ISO 9001:2008
  • Make Use of the Finest Raw Materials
  • Products that are resistant to heat and chemicals
  • Guaranteed Delivery on time
  • Comprehensive Quality Controls at Multiple Levels
  • Solutions from a modern factory in Gujarat that are both cost-effective and durable.

The Remarkable Quality of Our Flange

  • Perfection: Fasteners for Flanges that are Manufactured with Accuracy To guarantee that our Flange Bolts are of the highest possible quality, we put them through a series of painstaking production procedures.
  • Highest precision: Gujarat’s Most Cutting-Edge Manufacturing Facility. The cutting-edge manufacturing plant that we have in Gujarat, India, is responsible for the production of these bolts of exceptional quality.
  • Cutting-Edge Equipment: To ensure that our Flange Bolts provide exceptional performance, we make use of cutting-edge gear.
  • Meets International Quality Standards: Our company manufactures Flange Bolts to guarantee their dependability and accuracy, following international quality standards such as ANSI, DIN, and BS.
  • Accuracy in Every Dimension: We prioritize dimensionally correct bolts, which allows them to be used in a wide variety of applications across various sectors.
  • Resilient and long-lasting: The Flange Bolts that we provide are well-known for their sturdy construction, which guarantees their durability and dependable performance.
  • Strict Quality Standards: To guarantee our customers’ happiness with our products, we dedicate ourselves to providing Flange Bolts that meet the industry’s stringent quality requirements.

Manufacturing Process

Our modern manufacturing facilities produce flange bolts efficiently and accurately using cutting-edge technology and tools. Overview of our production process:

1. 3D printing: Our organization now acknowledges 3D printing as a widely used industrial technology.

2. Thread Rolling: Advanced thread rolling machines provide robust, accurate flange bolt threads.

3. Material Selection: By the specifications provided by the customer. We make use of excellent starting materials such as alloy steel, carbon steel, and stainless steel.

4. Surface Finishing: We make use zinc plating, chrome plating, or filtering for corrosion protection and aesthetics.

5. Quality Control: Our quality control team inspects and tests every flange bolt to satisfy international and client requirements.

6. Packaging and Shipping: At last, we carefully package and ship flange bolts globally.

Customer Support and Service

At TightFit fasteners, we are offering top-notch customer service is significantly similar to delivering the finest quality product. Our team is available 24/7 for your support and information so that you can make an informed purchase decision.

So, why are you waiting for? Shop with the confidence that our excellent customer service and support team is assisting you!

Get In touch!

Ready to Take Your Business to the Next Level? Get in Touch to Place an Order and feel free to contact us with any queries, needs, or responses.


1. What is a flange bolt?
As its name implies, flange bolts have a ridge at one end. This flange functions like a built-in washer, spreading the load and making the connection more secure.

2. What are the various kinds of flange bolts?
There are many kinds, such as:

  • Hex flange bolts
  • Socket flange bolts
  • Torx flange bolts
  • Structural flange bolts

3. What is the proper way to install flange bolts?
Make sure to follow the necessary installation processes, which include cleaning the surface, delivering a sufficient amount of torque, and verifying that the alignment is accurate.

4. Where should we use the flange bolt?
People use flange bolts in applications requiring high strength. Like in oil rings, energy plants, industrial facilities, huge cars, and ships, we link the gearbox and engine.

5. What are the uses for flange fittings?
Pipe flanges are what? Flange pipe fittings screw together to connect pipes, pumps, valves, and other piping system equipment. When one flange bolts to another with a gasket, they create a flanged junction.