“Consistent torque values and finish”
Wind Turbine OEM —
We’ve standardized on Dipti for 10.9 heavy hex bolts; coating quality and documentation are excellent.
Hex Bolts – Manufacturer, Exporter, Supplier & Stockist
IS • DIN • ISO • EN • ANSI • ASME • ASTM • JIS
M2–M100 • 1/8″–4″
8.8 • 10.9 • 12.9 • A2-70 • A4-80
HDG • Zinc • PTFE/Xylan • Geomet
Dipti Metal Industries — Mumbai, India
📊 Your Trusted Partner for High-Quality Industrial Fasteners
Hex Bolts Manufacturer, Exporter & Supplier in India – Dipti Metal
We are premier hex bolt manufacturers, exporters, suppliers, stockists, distributors and dealers in India, delivering robust, reliable fasteners for demanding projects worldwide. Our state-of-the-art facilities, multi-stage quality control and customer-first approach ensure consistent performance and complete satisfaction.
📞 Quick CTA
Send BOQs/drawings for fast quotations, MTCs & delivery.
IS 1363 BS 1768
IS 1364 BS 3692
IS 3757 BS 4190
IS 6639 UNI 5737
DIN 931 UNI 5739
DIN 933 JIS B1180
DIN 960 EN 14399
DIN 6914 ISO 14399
ISO 4014 ISO 8676
ISO 4017 ISO 8765
🏢 Company Introduction – Dipti Metal Industries (Mumbai, India)
Dipti Metal Industries is among India’s top hex bolt manufacturers and exporters, headquartered in Mumbai and serving global clients as a supplier, stockist, distributor and dealer of industrial fasteners. With decades of engineering experience, we produce hex bolts, heavy hex bolts, hex flange bolts and structural bolts that conform to IS, DIN, ISO, EN, ANSI, ASME, ASTM, JIS and other international standards. We support turnkey EPCs, OEMs and maintenance buyers with custom-made fasteners to drawing, PTFE/Xylan & HDG coatings, EN 10204 3.1/3.2 MTCs, export-grade packing and reliable logistics across 190+ destinations.
🔎 What Are Hex Bolts?
Hex bolts (hex cap screws/machine bolts) are six-sided head fasteners used across construction, machinery, automotive, structural steel, oil & gas, petrochemical, marine and power. The hex head enables strong wrench engagement for precise tightening and secure joints.
🏅 Why Choose Dipti Metal — Manufacturers, Exporters, Suppliers & Stockists
- Standards-Driven Quality: Built to IS/DIN/ISO/EN/ANSI/ASME/ASTM/JIS/GOST/UNI using premium materials; each batch tested and traceable.
- Largest Range & Availability: Hex, heavy hex, flange & structural bolts in CS/SS/Duplex/Nickel alloys/Titanium; metric & imperial sizes; ready stock.
- Customization: Made-to-drawing specials, left-hand threads, non-standard lengths, special coatings, and project test plans.
- Competitive & Reliable: Optimized manufacturing for value pricing, fast delivery, and consistent quality for EPCs and OEMs.
- Global Supply Network: Proven exporter with compliant documentation, packing and on-time shipments to 190+ countries.
- Technical Support: Engineers & metallurgists help specify the right grade, thread and coating for your service environment.
🛠️ Comprehensive Range of Hex Bolts
Types
- Full Thread Hex Bolts • Half Thread (Partially Threaded)
- Heavy Hex Bolts • Hex Flange Bolts • Structural Hex Bolts
- High-Strength Hex Bolts for critical service
Dimensions & Sizes
- Metric: M2 – M100 (and larger) • lengths as required
- Imperial: 1/8″ – 4″ (and larger) • UNC/UNF/8UN
Threading Options
- Metric Coarse/Fine • UNC/UNF • 8UN • BSF/BSW • LH threads
Dimension Standards
IS 1363/1364/3757/6639 • DIN 931/933/960/961/6914 • ISO 4014/4017/8765/8676/14399 • EN 14399 • ASME B18.2.1/B18.2.3.1M/B18.2.3.5M/B18.2.3.6M • JIS B1180 • BS 1768/3692/4190 • GOST R ISO 4014/4017 • UNI 5737/5739
🧪 Materials & Grades
Stainless (Austenitic)
304/304L (A2) • 316/316L (A4) • 310/310S • 321 • 347 • 904L
Duplex & Super Duplex
2205 (S31803/S32205) • 2507 (S32750) • S32760
Martensitic Stainless
410
Carbon/Alloy Steel
A307 • A325 (T1/T3) • A490 (T1/T3) • SAE J429 (Gr.2/5/8) • ISO 898-1 (4.6 to 12.9)
High/Low Temperature Bolting
A193 (B6/B7/B7M/B16) • A320 (L7/L7M/L43) • A354 (BC/BD)
Nickel Alloys & Titanium
Monel 400/K500 • Inconel 600/625/718/800/825 • Hastelloy C276/C22/B2/C4 • Titanium Gr.2/Gr.5
🛡️ Finishes, Coatings & Platings
- Plain/Self-Color • HDG (ASTM A153) • Electro-zinc (ASTM B633 – blue/yellow/white/black)
- Mechanical Galv. (ASTM B695) • PTFE/Xylan® • FBE • Phosphate (Mn/Zn) • Black Oxide
- Nickel • Chrome • Dacromet®/Geomet® • Magni® • Cadmium (restricted/specific use)
🏭 Manufacturing & Quality — India’s Trusted Hex Bolt Supplier
Processes
Cold/Hot forging • CNC machining • Thread rolling • Heat treatment • Surface treatment application
QA/QC & Documentation
- Raw material inspection, in-process checks, and final inspection
- Testing: tensile, yield, hardness, impact (CVN), salt spray (NSS), dimensional gauges, microstructure
- Certificates: EN 10204 3.1/3.2, PMI, coating reports; full heat-number traceability
🏗️ Applications
- Construction & Infrastructure (PEB, bridges, buildings, scaffolding)
- Oil & Gas / Petrochemical (pipelines, refineries, offshore platforms)
- Power Generation (thermal/nuclear/hydro, turbines, boilers, towers)
- Automotive & Transportation (chassis, engines, rail, heavy vehicles)
- Marine & Shipbuilding (docks, rigs, subsea)
- Manufacturing & Heavy Machinery (mining, handling, robotics)
- Chemical & Process (tanks, vessels, heat exchangers, valves)
- Renewables & Water (wind, solar mounting, desalination)
📐 Quick Dimension Guide (Excerpt)
| Nominal (Metric) | Across Flats (s) | Across Corners (e) | Head Height (k) |
|---|---|---|---|
| M10 | 17.00 mm | 18.90 mm | 6.4 mm |
| M16 | 24.00 mm | 26.75 mm | 10.0 mm |
| M20 | 30.00 mm | 33.53 mm | 12.5 mm |
| M24 | 36.00 mm | 39.55 mm | 15.0 mm |
Full dimension tables available per ISO/DIN/ASME drawing or upon request.
⭐ What Clients Say
Average rating: 4.9/5 from 37 verified buyers.
“Reliable marine performance”
Dredging Contractor —
316 hex bolts with Xylan performed well in salt exposure; packaging was robust and well labeled.
✉️ Get a Comprehensive Quote
Standard or custom hex bolts—share sizes, material, thread, coating and tests for a fast offer with MTCs & lead time.
🌍 Global Export Coverage
We export to 190+ countries.
View full country list
Africa
Algeria,
Angola,
Benin,
Botswana,
Burkina Faso,
Burundi,
Cabo Verde,
Cameroon,
Central African Republic,
Chad,
Comoros,
Congo (Republic),
Congo (DRC),
Côte d’Ivoire,
Djibouti,
Egypt,
Equatorial Guinea,
Eritrea,
Eswatini,
Ethiopia,
Gabon,
Gambia,
Ghana,
Guinea,
Guinea-Bissau,
Kenya,
Lesotho,
Liberia,
Libya,
Madagascar,
Malawi,
Mali,
Mauritania,
Mauritius,
Morocco,
Mozambique,
Namibia,
Niger,
Nigeria,
Rwanda,
São Tomé & Príncipe,
Senegal,
Seychelles,
Sierra Leone,
Somalia,
South Africa,
South Sudan,
Sudan,
Tanzania,
Togo,
Tunisia,
Uganda,
Zambia,
Zimbabwe
Americas
Antigua & Barbuda,
Argentina,
Bahamas,
Barbados,
Belize,
Bolivia,
Brazil,
Canada,
Chile,
Colombia,
Costa Rica,
Cuba,
Dominica,
Dominican Republic,
Ecuador,
El Salvador,
Grenada,
Guatemala,
Guyana,
Haiti,
Honduras,
Jamaica,
Mexico,
Nicaragua,
Panama,
Paraguay,
Peru,
Saint Kitts & Nevis,
Saint Lucia,
Saint Vincent & the Grenadines,
Suriname,
Trinidad & Tobago,
United States,
Uruguay,
Venezuela
Asia
Afghanistan,
Armenia,
Azerbaijan,
Bahrain,
Bangladesh,
Bhutan,
Brunei,
Cambodia,
China,
Cyprus,
Georgia,
India,
Indonesia,
Iran,
Iraq,
Israel,
Japan,
Jordan,
Kazakhstan,
Kuwait,
Kyrgyzstan,
Laos,
Lebanon,
Malaysia,
Maldives,
Mongolia,
Myanmar,
Nepal,
North Korea,
Oman,
Philippines,
Qatar,
Saudi Arabia,
Singapore,
South Korea,
Sri Lanka,
Syria,
Tajikistan,
Thailand,
Timor-Leste,
Turkey,
Turkmenistan,
United Arab Emirates,
Uzbekistan,
Vietnam,
Yemen
Europe
Albania,
Andorra,
Austria,
Belarus,
Belgium,
Bosnia & Herzegovina,
Bulgaria,
Croatia,
Czechia,
Denmark,
Estonia,
Finland,
France,
Germany,
Greece,
Hungary,
Iceland,
Ireland,
Italy,
Kosovo,
📍 Contact Dipti Metal Industries — Hex Bolt Manufacturers & Suppliers
Address
No.9, Shreepati Castle, D-1, 10–11th Khetwadi Back Road, Mumbai – 400004, India
Phone
WhatsApp
Email
Why Choose Us
- Largest selection across CS, SS, Duplex & Nickel Alloys
- IS/DIN/ISO/ASME/ASTM compliance with full traceability
- Coatings & testing per project specification
- Fast lead times and export-grade packing