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Product Overview
A Hex Bolt is a threaded fastener with a hexagonal head that is tightened using a wrench or socket. It is typically used with a matching nut and washer to create a strong and secure joint between two or more components. Hex bolts are available in both fully threaded and partially threaded designs, making them suitable for a wide range of industrial and structural applications.
At Moksh Tubes & Fittings LLP, we manufacture precision-engineered Hex Bolts using premium-quality raw materials and advanced manufacturing processes. Our bolts offer excellent dimensional accuracy, high tensile strength, and reliable performance under heavy loads, vibration, and corrosive environments.
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Specifications
| Specification | Details |
|---|---|
| Product | Hex Bolt |
| Standards | ASTM, DIN, ISO, ASME, BS |
| Material | Stainless Steel, Carbon Steel, Alloy Steel, Duplex, Super Duplex & Nickel Alloys |
| Diameter | M6 to M100 / ¼" to 4" |
| Length | 10 mm to 1000 mm (Custom Sizes Available) |
| Thread Type | Metric, UNC, UNF, BSW |
| Thread Style | Full Thread & Partial Thread |
| Surface Finish | Plain, Bright, Zinc Plated, PTFE Coated, Hot Dip Galvanized |
| Manufacturing | Hot Forged & CNC Machined |
Chemical Composition
The chemical composition of Hex Bolts varies depending on the selected material grade. At Moksh Tubes & Fittings LLP, our Hex Bolts are manufactured using premium-quality raw materials that comply with ASTM, ASME, DIN, ISO, EN, and BS standards, ensuring excellent corrosion resistance, high mechanical strength, and long service life.
| Element | SS 304 (%) | SS 304L (%) | SS 316 (%) | SS 316L (%) |
|---|---|---|---|---|
| Carbon (C) | 0.08 Max | 0.03 Max | 0.08 Max | 0.03 Max |
| Manganese (Mn) | 2.00 Max | 2.00 Max | 2.00 Max | 2.00 Max |
| Silicon (Si) | 0.75 Max | 0.75 Max | 0.75 Max | 0.75 Max |
| Phosphorus (P) | 0.045 Max | 0.045 Max | 0.045 Max | 0.045 Max |
| Sulfur (S) | 0.030 Max | 0.030 Max | 0.030 Max | 0.030 Max |
| Chromium (Cr) | 18.00–20.00 | 18.00–20.00 | 16.00–18.00 | 16.00–18.00 |
| Nickel (Ni) | 8.00–10.50 | 8.00–12.00 | 10.00–14.00 | 10.00–14.00 |
| Molybdenum (Mo) | — | — | 2.00–3.00 | 2.00–3.00 |
| Nitrogen (N) | 0.10 Max | 0.10 Max | 0.10 Max | 0.10 Max |
| Iron (Fe) | Balance | Balance | Balance | Balance |
Note: Chemical composition varies depending on the selected material grade. Carbon Steel, Alloy Steel, ASTM A193 Grade B7, ASTM A193 Grade B7M, ASTM A320 Grade L7, Duplex Stainless Steel, Super Duplex Stainless Steel, Inconel®, Monel®, Hastelloy®, and other Nickel Alloy Hex Bolts are manufactured in accordance with the relevant ASTM and ASME material specifications.
Size & Weight Chart
Hex Bolts are manufactured according to ASTM, DIN, ISO, and ASME standards and are available in a wide range of diameters, lengths, and thread configurations.
| Bolt Size | Thread Pitch | Across Flats (mm) | Standard Length (mm) | Approx. Weight (kg/100 pcs) |
|---|---|---|---|---|
| M6 | 1.0 | 10 | 10–60 | 0.30 |
| M8 | 1.25 | 13 | 16–80 | 0.65 |
| M10 | 1.5 | 17 | 20–100 | 1.20 |
| M12 | 1.75 | 19 | 25–120 | 2.10 |
| M16 | 2.0 | 24 | 30–150 | 4.30 |
| M20 | 2.5 | 30 | 40–200 | 7.90 |
| M24 | 3.0 | 36 | 50–250 | 12.60 |
| M30 | 3.5 | 46 | 60–300 | 23.40 |
| M36 | 4.0 | 55 | 80–350 | 38.80 |
| M42 | 4.5 | 65 | 100–400 | 58.70 |
| M48 | 5.0 | 75 | 120–500 | 83.20 |
| M56 | 5.5 | 85 | 150–600 | 125.50 |
Note: Dimensions and weights are approximate and may vary depending on the bolt type (Full Thread or Partial Thread), material grade, thread standard (Metric, UNC, UNF, BSW), surface finish, and manufacturing tolerances. Custom sizes and thread specifications are available upon request.
Grades & Equivalents
Available Grades
Stainless Steel
304 / 304L, 316 / 316L
Carbon & Alloy
Carbon Steel, Alloy Steel
ASTM Specs
A193 B7/B7M, A320 L7
Duplex
S31803 / 2205, S32750 / 2507
Nickel Alloys
Inconel®, Monel®, Hastelloy®
Applications
Hex Bolts are widely used in:
Construction & Infrastructure
Structural Steel Fabrication
Oil & Gas Industry
Petrochemical Plants
Power Generation Plants
Industrial Machinery
Pipe Support Systems
Marine & Offshore Projects
Automotive Industry
Features & Advantages
High tensile strength and durability
Secure hexagonal head for easy tightening
Excellent corrosion and oxidation resistance
Suitable for heavy-duty industrial applications
Available in full and partial thread options
Precision-machined threads for accurate fit
Reliable performance under vibration and heavy loads
Long service life with minimal maintenance
Manufactured according to international quality standards
Mechanical Properties
The mechanical properties of Hex Bolts depend on the selected material grade and comply with applicable ASTM and ASME standards. The table below shows the typical mechanical properties for commonly supplied stainless steel grades.
| Property | SS 304 / 304L | SS 316 / 316L |
|---|---|---|
| Tensile Strength (MPa) | 515 Min | 515 Min |
| Yield Strength (MPa) | 205 Min | 205 Min |
| Elongation (%) | 40 Min | 40 Min |
| Hardness (HB Max) | 201 | 217 |
Note: Mechanical properties for Carbon Steel, Alloy Steel, ASTM A193 Grade B7, ASTM A193 Grade B7M, ASTM A320 Grade L7, Duplex Stainless Steel, Super Duplex Stainless Steel, Inconel®, Monel®, Hastelloy®, and other Nickel Alloy Hex Bolts are available in accordance with their respective ASTM and ASME material specifications upon request.
Why Choose Moksh Tubes & Fittings LLP?
Leading Manufacturer, Supplier & Exporter
Premium Quality Industrial Fasteners
Wide Range of Sizes, Thread Types & Material Grades
Ready Stock for Immediate Dispatch
Competitive Pricing
Strict Quality Assurance
Global Export Experience
Complete Documentation Support
Expert Technical Assistance
Frequently Asked Questions (FAQ)
What is a Hex Bolt?
A Hex Bolt is a threaded fastener with a six-sided head used with a nut to securely join components in industrial, structural, and mechanical applications.
Where are Hex Bolts commonly used?
Hex Bolts are widely used in construction, machinery, piping systems, oil & gas, power plants, marine, automotive, and structural steel applications.
Which materials are available?
We manufacture Hex Bolts in stainless steel, carbon steel, alloy steel, duplex, super duplex, and nickel alloy grades.
Do you provide material test certificates?
Yes. EN 10204 3.1 Material Test Certificates are supplied with every order.
Can you manufacture custom sizes?
Yes. We manufacture Hex Bolts in custom diameters, lengths, thread types, coatings, and material grades according to customer specifications.
Request a Quote
Looking for a trusted Hex Bolts manufacturer and supplier? Contact Moksh Tubes & Fittings LLP for premium-quality industrial hex bolts, competitive pricing, ready stock, technical support, and fast worldwide delivery. Request your free quotation today.
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