Allen Bolt Manufacturer
Precision Fastening Solutions
Fasteners India is a trusted Allen Bolt manufacturer based in Kolkata, supplying high-quality socket head cap screws and Allen bolts across West Bengal, Odisha, Assam, Chhattisgarh, Jharkhand, Bihar, Maharashtra, Telangana, Delhi, Meghalaya, Tamil Nadu, Uttar Pradesh & Karnataka. We specialize in manufacturing precision Fasteners India designed for strength, accuracy, and long-term performance in demanding industrial applications.
Manufacturing` Excellence at Fasteners India
Fasteners India operates a fully equipped manufacturing unit with advanced cold forging machines, CNC threading systems, heat treatment facilities, and in-house quality testing. Every Allen bolt produced is made under strict process control to ensure dimensional accuracy, strength, and surface finish.
Product Overview – Allen Bolts We Manufacture
We manufacture a wide range of Allen bolts, including:
- Socket head cap screws
- Button head Allen bolts
- Flat head (countersunk) Allen bolts
- High tensile Allen bolts
- Stainless steel Allen bolts
- Custom Allen bolts as per drawing and sample
Raw Materials & Grades Used
Fasteners India manufactures Allen bolts using:
- Mild Steel (MS)
- Carbon Steel
- Alloy Steel
- Stainless Steel (SS 202, SS 304, SS 316)
Available grades include:
- 6, 5.6, 8.8, 10.9, 12.9
In-House Manufacturing Process
- Selection of certified raw materials
- Cold forging of bolt heads
- Precision socket formation
- Thread rolling for high strength
- Heat treatment for tensile grades
- Surface finishing and corrosion protection
- Dimensional inspection and mechanical testing
- Final packing and dispatch
Technical Specification Chart
Bolt Size | Head Type | Thread Type | Length Range | Grade | Finish |
M4 | Socket Head | Metric | 8 – 60 mm | 4.6, 8.8 | Black, Zinc plated |
M6 | Button / Flat | Metric | 10 – 100 mm | 5.6, 8.8 | Black, Zinc plated |
M8 | Socket Head | Metric | 15 – 150 mm | 8.8, 10.9 | Black, Phosphated |
M10 | Socket Head | Metric | 20 – 200 mm | 8.8, 10.9, 12.9 | Black, Zinc plated |
M12 | Socket Head | Metric | 25 – 250 mm | 10.9, 12.9 | Black, Phosphated |
(Custom sizes, threads, and finishes available on request.)
Industrial Applications
- Machinery manufacturing
- Automotive assembly
- Electrical panel installations
- Construction and steel structures
- Tooling, fixtures, and equipment assembly
- Renewable energy and infrastructure projects
Quality Standards & Compliance
Fasteners India follows strict quality standards and conducts:
- Tensile testing
- Hardness testing
- Dimensional inspection
- Surface coating thickness checks
Our products are manufactured in compliance with ISO, DIN, IS, and ASTM standards.
Why Choose Fasteners India as Your Allen Bolt Manufacturer?
- In-house manufacturing with full quality control
- Consistent strength and dimensional accuracy
- Competitive factory-direct pricing
- Bulk order capability
- Custom designs and packaging
- Timely delivery across Eastern and Central India
Areas We Serve
Fasteners India supplies Allen bolts across:
West Bengal, Odisha, Assam, Chhattisgarh, Jharkhand, Bihar, Maharashtra, Telangana, Delhi, Meghalaya, Tamil Nadu, Uttar Pradesh & Karnataka.
Contact Fasteners India Today
Looking for a reliable Allen Bolt manufacturer in Kolkata? Contact Fasteners India today for quotations, samples, and technical support.