Heavy Hex Bolts Manufacturer In India Offering Precision Engineered Astm Fasteners For Heavy Duty Industrial Use

Heavy hex bolts
$1.15 - $1.95

Minimum Order : 150 piece

Customization as per requirements


Specification Details
SizeM3 to M100
TypeBolt, Nut, Screw, Washer, Rivet, Threaded Rod, Studs, Coated, Nails, Custom Fasteners
StandardDin, Iso, Jis, Gb, Is, Bs, Astm
Length1-10 meter
MaterialStainless Steel, Monel, Inconel, Incoloy, Hastelloy, Nickel, Silicon Bronze, Phosphor Bronze

Reliable Heavy Hex Bolts Manufacturer in India Developed for High Strength, Long Service Life & Harsh Operating Conditions

Vintex Steel Engg. Co. is acknowledged to be one of the top Heavy Hex Bolts manufacturers are specially designed to have high strength, long durability, and excellent performance in tough industrial environments. Such bolts have bigger hex heads, which enable more wrenching strength and better load distribution for the application of heavy work. The company is gaining a reputation for accuracy and dependability, producing various products to satisfy global standards for the construction, oil and gas, and engineering sectors. Additionally, we offer Fasteners like Bolts, Carriage Bolts, or Elevator Bolts for precision engineering and manufacturing applications.
We offer Heavy Hex Bolts with different grades, materials, and finishes to meet the different needs of industrial sectors as a trusted supplier in the B2B market. Our bolts guarantee durable service, high strength under tension, and outstanding resistance against corrosion, so they are perfect for structural and mechanical assemblies. By staying dedicated to on-time delivery and customer satisfaction, we serve high-quality fastening solution-seeking clients both locally and abroad.

Heavy Hex Bolt Weight Chart

Bolt Size (Inch)

Bolt Length (Inch)

Approx. Weight per Piece (kg)

Approx. Weight per 100 Nos (kg)

1/2"1.1/2"0.0686.8
1/2"2"0.0848.4
1/2"2.1/2"0.10110.1
5/8"2"0.14514.5
5/8"2.1/2"0.17217.2
5/8"3"0.19819.8
3/4"2"0.26026.0
3/4"2.1/2"0.30530.5
3/4"3"0.35035.0
7/8"2.1/2"0.45045.0
7/8"3"0.52552.5
7/8"3.1/2"0.60060.0
1"3"0.75075.0
1"3.1/2"0.86086.0
1"4"0.97097.0
1.1/8"4"1.180118.0
1.1/4"4"1.450145.0
1.1/4"5"1.720172.0
1.1/2"5"2.350235.0
1.1/2"6"2.750275.0
1.3/4"6"3.850385.0
2"6"5.200520.0
Our Heavy Hex Bolts are manufactured to meet stringent quality standards and are engineered to deliver exceptional strength, load-bearing capability, and long-term reliability in demanding industrial environments. Each bolt is precision-forged and machined to ensure accurate dimensions, uniform threading, and superior mechanical performance under extreme stress conditions. Designed to minimize loosening, fatigue failure, and maintenance requirements, heavy hex bolts provide secure fastening solutions for critical structural and pressure-bearing assemblies. Contact us today to receive a detailed quotation or discuss your specific fastening requirements with our technical team.

Key Features & Applications of Heavy Hex Bolts:


  • Available in Alloy Steel, Carbon Steel, Stainless Steel, Duplex & Super Duplex Steel, suitable for high load, corrosive, elevated temperature, and critical service conditions.
  • Designed to withstand high tensile loads, vibration, thermal cycling, and severe environmental exposure, ensuring long service life and operational safety.
  • Extensively used across Oil & Gas, Petrochemical & Refining, Power Generation, Structural Engineering, Construction, Heavy Machinery, Marine, and Infrastructure projects.
  • Widely used for high-strength fastening, load transfer, and structural joint integrity in heavy-duty assemblies, pressure vessels, and mechanical systems.
  • Manufactured in compliance with ASTM, ASME, DIN, BS, and ISO standards, ensuring dimensional accuracy, material consistency, and global project acceptance.

Heavy Hex Bolts Client Project Report

This project involved the manufacture and supply of high-strength Heavy Hex Bolts for critical industrial and structural applications operating under high load, vibration, and harsh environmental conditions. The fasteners were produced using certified carbon steel and alloy steel grades in full compliance with ASTM, ASME, DIN, and ISO standards, ensuring dimensional precision, mechanical strength, and long-term reliability.Each batch of Heavy Hex Bolts underwent stringent quality control and testing procedures, including dimensional inspection, tensile strength testing, hardness verification, and surface finish evaluation. Selected lots were also tested for impact resistance and coating integrity, ensuring consistent performance in demanding service environments. The project was executed within the agreed timeline, enabling safe installation, structural stability, and uninterrupted operations at the client’s facilities.

Product Supplied Details

Product Supplied

Quantity Supplied

Cities (India)

Heavy Hex Bolts for Structural Steel Assemblies320 PiecesMumbai
ASTM A193 High Tensile Heavy Hex Bolts275 PiecesVadodara
Alloy Steel Heavy Hex Bolts (Various Sizes)290 PiecesHyderabad
Heavy Hex Bolts for Power & Industrial Equipment260 PiecesCoimbatore

Type of Sub-products

  • Heavy Hex Structural Bolts Manufacturer In India
    Heavy Hex Structural Bolts Manufacturer In India

    Heavy Hex Structural Bolts Manufacturer In India

    Heavy Hex Structural Bolts are high strength fasteners designed for critical structural applications in construction, engineering, and industrial projects. Featuring a larger hexagonal head for greater torque and secure fastening, these bolts are ideal for connecting steel structures, bridges, and heavy machinery. Manufactured from premium grade carbon or alloy steel, they offer excellent durability, tensile strength, and resistance to wear and stress.

  • Metric Heavy Hex Bolts Manufacturer In India
    Metric Heavy Hex Bolts Manufacturer In India

    Metric Heavy Hex Bolts Manufacturer In India

    Metric Heavy Hex Bolts are high strength fasteners designed for industrial and construction applications requiring secure and durable connections. Made from premium steel or stainless steel, these bolts offer excellent tensile strength, corrosion resistance, and reliability under heavy loads. Their precise metric threading ensures easy assembly with corresponding nuts and components, making them ideal for machinery, structural frameworks, and heavy equipment.