Square Head Bolts
Square Head Bolts
Square Head Bolts Manufacturer in India
Square Head Bolts are robust, four-sided fasteners designed for enhanced grip and superior torque control. Their square-shaped head ensures easy tightening using standard tools, making them ideal for high-load applications in construction, heavy equipment, automotive, and restoration industries.
Premium Quality Square Head Bolts
At AN Fasteners, we manufacture and supply square head bolts built for strength, durability, and performance. Produced using advanced forging techniques and top-grade materials, our bolts are available in a wide range of sizes, metals, and finishes. Whether you’re working on infrastructure, machinery, or restoration projects, our square bolts deliver secure fastening that lasts.
Specifications of Square Head Bolts
1. Standards Compliance:
Our square head bolts are manufactured in accordance with global standards, ensuring versatility across international markets. Standards include:
ASME, DIN, ISO, BS, IFI, Indian IS, Polish PN, and more.
2. Size Range:
We offer square head bolts in both metric (M2 to M160) and imperial (3/8″ to 8″) sizes to meet diverse industrial requirements.
3. Material Options:
Our bolts are available in a variety of high-strength materials to ensure performance and corrosion resistance:
- Stainless Steel (304, 316, 316L, etc.)
- Carbon Steel
- High-Tensile Steel
- Nickel Alloys (Nickel 200, 201)
- Hastelloy (C-22, C-276)
- Inconel (600, 625, 718)
- Monel, Brass, Copper, Aluminium Bronze, and other specialty alloys
4. Surface Coatings and Finishes:
To extend the lifespan and performance of our bolts in demanding environments, we offer a range of protective coatings:
- PTFE Coated
- Hot Dip Galvanized
- Zinc Plated (Yellow, Blue, Black)
- Nickel Plated
- Black Phosphate Coated
- Aluminium Zinc Flake Coated
5. Threading Options
- Fully Threaded
- Partially Threaded
6. Manufacturing Process
Hot Forged & Cold Forged for high tensile strength and superior finish.
Applications of Square Head Bolts
Square head bolts are used in a variety of industries due to their reliable locking and easy-to-grip design:
- Construction: Ideal for structural frameworks, bridges, and docks.
- Automotive: Used in securing heavy-duty vehicle parts and machinery.
- Engineering & Industrial Equipment: Integral to large machines and assemblies.
- Woodworking & Restoration: Common in antique furniture and timber construction.
Why Choose AN Fasteners Square Head Bolts?
✅ Manufactured to Global Standards – Built to ASME, DIN, ISO, and other international benchmarks.
✅ Durable & Corrosion Resistant – Coated and tested for long life in tough conditions.
✅ Customizable – Available in a variety of sizes, materials, and finishes.
✅ Versatile Applications – Trusted across industries including construction, automotive, and furniture restoration.
✅ Precision Engineering – Hot & cold forging techniques ensure strength, stability, and reliable performance.
Square head bolts properties
| Forming | Hot & Cold Forged |
|---|---|
| Metric Size | M10 to M100 |
| Imperial size | 3/8″ to 8″ |
| Threads | UNC, UNF, ISO, BSW, & ACME |
| Standards | ASME, BS, DIN, ISO, UNI, DIN–EN |
| Sub Types |
1. Fully Threaded Square Head Bolts 2. Partially Threaded Square Head Bolts 3. Metric Square Head Bolts 4. Imperial Square Head Bolts |
AN Fasteners Square Head Bolts combine traditional design with modern materials to offer reliable fastening in timber construction, heavy machinery, and restoration projects. Their large gripping surface makes them ideal for manual tightening and historical builds.
Need custom square head bolts for your project?
📞 Reach out today for bulk orders or specialized manufacturing support.