Leading Supplier, Stockist and Exporter of Fasteners
Girnar Pipes Fittings is a leading supplier, stockist, and exporter of premium quality fasteners, catering to a wide range of industrial applications across the globe. Our fasteners are manufactured using superior raw materials and advanced production techniques to ensure excellent strength, durability, and performance even in demanding environments.
We offer an extensive range of fasteners including bolts, nuts, screws, studs, washers, anchor fasteners, and customized fastening solutions. These products are available in various sizes, thread types, pressure ratings, and surface finishes to meet the diverse requirements of industries such as oil and gas, petrochemical, power generation, construction, marine, automotive, and heavy engineering.
Girnar Pipes Fittings supplies fasteners in multiple materials such as stainless steel, carbon steel, alloy steel, duplex steel, super duplex steel, nickel alloys, and other special alloys. All fasteners are manufactured and tested in compliance with international standards including ASTM, ASME, DIN, ISO, BS, and IS, ensuring consistent quality and reliability.
As a trusted global exporter of fasteners, we serve customers across Asia, Europe, the Middle East, Africa, North America, and South America. Our strong logistics network, secure packaging, and timely delivery ensure that our products reach international clients safely and within committed timelines.
Quality assurance is a core strength of Girnar Pipes Fittings. Each batch of fasteners undergoes strict quality checks including dimensional inspection, mechanical testing, chemical analysis, and surface finish evaluation. We also provide Mill Test Certificates (MTC) and third-party inspection reports to guarantee complete customer satisfaction.
Specifications
| Item | Typical Specifications / Standards |
|---|---|
| Bolts and Screws | ISO 898-1, DIN 931/933, ASTM A325 / A490 (structural), ASTM F593 / F3125 (stainless), ASME B18.2.1 |
| Nuts | ISO 4032 / 4033, DIN 934, ASTM A563 (steel), ASTM F594 (stainless) |
| Washers | ISO 7089 (flat), ISO 8752 (spring), DIN 125/127, ASTM F436 (hardened) |
| Studs | ASME B18.2.1, ASTM A193 / A320 (alloy/stainless) |
| Strength Classes | 4.6, 8.8, 10.9, 12.9 (metric) — Grade 2, Grade 5, Grade 8 (imperial) |
| Finish / Coatings | Electro-zinc, Hot-dip Galvanized, Zinc-Nickel, Black Oxide, Phosphate, PTFE, Nickel/Chrome Plating |
Chemical Composition (Representative / Typical)
Values are representative ranges used for selection guidance; refer to supplier MTC or standard for exact limits.
| Material | Key Elements (typical) |
|---|---|
| Carbon Steel (Grade 8.8 typical) | C ≈ 0.25–0.35%, Mn 0.4–1.2%, P and S trace |
| Alloy Steel (Grade 10.9 / 12.9) | C ≈ 0.30–0.45%, Cr 0.2–1.0%, Mo 0.1–0.5%, V/Nb traces |
| Stainless Steel A2-304 | Cr 18–20%, Ni 8–10.5%, C ≤0.08% |
| Stainless Steel A4-316 | Cr 16–18%, Ni 10–14%, Mo 2–3% |
| Titanium (Grade 2) | Ti balance, O ≈ 0.2%, Fe ≈ 0.3% (low alloy) |
| Inconel 625 | Ni balance (~58%+), Cr 20–23%, Mo and Nb alloying |
| Brass | Cu 60–70%, Zn rest (varies by alloy) |
Mechanical Properties (Typical)
| Material / Class | Tensile Strength (MPa) | Yield (MPa) | Hardness / Notes |
|---|---|---|---|
| Grade 4.6 | ≈ 400 | ≈ 240 | Lower strength, ductile |
| Grade 8.8 | ≈ 800 | ≈ 640 | Common high-strength structural |
| Grade 10.9 | ≈ 1000 | ≈ 900 | Higher strength; heat-treated |
| Grade 12.9 | ≈ 1200 | ≈ 1100 | Very high strength; used for critical joints |
| Stainless Steel 304/316 | ≈ 500–700 | ≈ 205–310 | Corrosion resistant; not as high tensile as alloy bolts |
| Titanium Grade 2 | ≈ 340–480 | ≈ 275 | Excellent strength-to-weight and corrosion resistance |
Equivalent Grades (Quick Reference)
| Common | Metric / Imperial / Standards |
|---|---|
| Metric 8.8 | ISO 898-1 Class 8.8 ≈ Imperial Grade 5 (approx) |
| Metric 10.9 | ISO 898-1 Class 10.9 ≈ High tensile alloy fasteners |
| Stainless A2-70 | ISO 3506-A2 / ASTM F593 (approx stainless bolt spec) |
| Stainless A4-80 | ISO 3506-A4 / ASTM F594 (nuts and bolts stainless marine grade) |
| Titanium | ASTM F467 / ISO 5832 equivalents for surgical/industrial grades |
| Inconel / Monel | ASTM/ASME UNS N06625 / N04400 equivalents |
Dimension Chart — Typical Metric Fasteners (Selected)
Representative metric sizes — lengths and head styles vary by standard (ISO/DIN/ASME). Use engineering drawings / standards for precise tolerances.
| Thread (metric) | Nominal Diameter (mm) | Hex Head Width Across Flats (mm) | Recommended Washer (outer dia mm) |
|---|---|---|---|
| M6 × 1.0 | 6 | 10 | 12 |
| M8 × 1.25 | 8 | 13 | 16 |
| M10 × 1.5 | 10 | 17 | 20 |
| M12 × 1.75 | 12 | 19 | 24 |
| M16 × 2.0 | 16 | 24 | 30 |
| M20 × 2.5 | 20 | 30 | 36 |
| M24 × 3.0 | 24 | 36 | 43 |
With a customer-focused approach, competitive pricing, and a commitment to excellence, Girnar Pipes Fittings has established itself as a reliable partner for high-performance fasteners worldwide. Our technical expertise and ability to deliver customized solutions make us a preferred choice for both standard and specialized fastening requirements.
Uses of Fasteners
Fasteners are essential components used in piping systems to ensure safe, leak-free, and efficient fluid or gas transfer across various industries. They connect, control, regulate, and support pipelines operating under different temperature and pressure conditions.
1. Oil and Gas Industry
Fasteners are widely used in onshore and offshore drilling operations, refinery pipeline systems, gas distribution networks, and high-pressure fluid transfer. Their corrosion resistance and temperature tolerance make them ideal for harsh environments.
2. Petrochemical and Chemical Industry
These fittings are crucial in chemical processing plants, acid/alkali lines, solvent transfer systems, and hazardous chemical handling. Materials are selected based on corrosion resistance and compatibility with chemicals.
3. Power Generation Industry
Fasteners are used in boiler lines, steam pipelines, turbine systems, and cooling water networks. They withstand high pressure and extreme temperatures in thermal, nuclear, and renewable energy plants.
4. Water Treatment and Desalination Plants
Applications include RO systems, filtration units, pumping stations, and municipal water supply lines. Fittings provide durability, corrosion resistance, and long-term leak-proof performance.
5. Food and Beverage Industry
Stainless steel sanitary fittings ensure hygienic flow in dairy units, breweries, beverage manufacturing, and food processing systems. They prevent contamination and meet high hygiene standards.
6. Pharmaceutical Industry
Fasteners are used in cleanroom piping, purified water systems, drug manufacturing units, and sterile processing operations. They comply with GMP and maintain contamination-free fluid handling.
7. Construction and Infrastructure
Used in firefighting systems, HVAC networks, plumbing systems, and building pipelines. Fasteners ensure reliable flow and structural stability across large infrastructure projects.
8. Marine and Shipbuilding
Marine-grade fittings are used in seawater pipelines, ballast systems, and fuel/oil transfer lines. They offer high resistance to corrosion in saltwater environments.
9. Automotive and Aerospace
Essential for fuel injection lines, hydraulic systems, coolant pipelines, and high-pressure circuits. They withstand vibration, heat, and pressure fluctuations in vehicles and aircraft.
10. Mining and Metal Processing
Fasteners are used in slurry pipelines, ore processing systems, and high-abrasion environments. Alloy steel fittings provide strength, wear resistance, and durability.
Frequently Asked Questions (FAQ)
Q1. What types of fasteners does Girnar Pipes Fittings supply?
We supply a wide range of fasteners including bolts, nuts, screws, studs, washers, anchor fasteners, and customized fastening solutions for industrial applications.
Q2. Which materials are used for manufacturing fasteners?
Our fasteners are manufactured using stainless steel, carbon steel, alloy steel, duplex steel, super duplex steel, nickel alloys, and other special materials as per customer requirements.
Q3. Do you export fasteners worldwide?
Yes, Girnar Pipes Fittings is a global exporter and supplies fasteners to customers across multiple countries worldwide with safe packaging and reliable logistics.
Q4. Are your fasteners compliant with international standards?
Yes, our fasteners comply with international standards such as ASTM, ASME, DIN, ISO, BS, and IS, ensuring high quality, strength, and performance.
Q5. Can you provide customized fasteners?
Yes, we offer customized fasteners based on size, material grade, threading, coating, and application-specific requirements as per client specifications.
Our Global Export and Supply Network
Girnar Pipes Fittings proudly supplies products across international markets and major industrial cities worldwide.
🌍 Countries We Have Exported To
🏙️ Cities We Have Supplied To
