Countersunk Allen Bolt Manufacturer
Our Countersunk Allen Bolts are engineered to provide a flush finish, high strength, and long-lasting performance for industrial and construction applications.Fasteners India is a trusted Countersunk Allen Bolt manufacturer based in Kolkata, serving clients across West Bengal, Odisha, Assam, Chhattisgarh, Jharkhand, Bihar, Maharashtra, Telangana, Delhi, Meghalaya, Tamil Nadu, Uttar Pradesh & Karnataka.
Product Overview – Countersunk Allen Bolts
Countersunk Allen bolts, also known as flat head socket screws, are designed to sit flush with the surface after installation while offering the strength of an internal hex drive. Fasteners India operates a modern production facility equipped with cold forging machines, CNC threading systems, heat treatment furnaces, and surface finishing units. Each Countersunk Allen Bolt is manufactured under strict quality control to ensure dimensional accuracy, mechanical strength, and consistent surface finish.
Key Performance Features:
- Flush, smooth surface finish
- High tensile strength
- Precision internal hex socket
- Secure grip under vibration
- Clean appearance and safety
Variants We Manufacture
Fasteners India manufactures and supplies:
- Fully threaded countersunk Allen bolts
- Partially threaded countersunk Allen bolts
- High tensile countersunk Allen bolts
- Stainless steel countersunk Allen bolts
- Custom-made countersunk Allen bolts as per drawings
Materials & Strength Grades
Our countersunk Allen bolts are manufactured using:
- Carbon Steel
- Alloy Steel
- Stainless Steel (SS 202, SS 304, SS 316)
Available grades:
- 6, 5.6, 8.8, 10.9, 12.9
End-to-End Manufacturing Process
- Selection of certified raw materials
- Cold forging of countersunk heads
- Precision hex socket formation
- Thread rolling for superior strength
- Heat treatment for required grades
- Surface finishing and corrosion protection
- Dimensional and mechanical inspection
- Secure packaging and dispatch
Technical Specification Chart
Bolt Size | Head Type | Thread Type | Length Range | Grade | Finish |
M4 | Countersunk | Metric | 8 – 60 mm | 4.6, 8.8 | Black, Zinc plated |
M6 | Countersunk | Metric | 10 – 100 mm | 5.6, 8.8 | Black, Zinc plated |
M8 | Countersunk | Metric | 15 – 150 mm | 8.8, 10.9 | Black, Phosphated |
M10 | Countersunk | Metric | 20 – 200 mm | 10.9, 12.9 | Black, Zinc plated |
M12 | Countersunk | Metric | 25 – 250 mm | 12.9 | Black, Phosphated |
(Custom sizes, threads, finishes, and coatings available on request.)
Application Areas
- Machinery and equipment assembly
- Automotive and transport systems
- Electrical panels and enclosures
- Furniture and architectural fittings
- Construction and steel fabrication
- Tooling, fixtures, and industrial assemblies
Why Choose Fasteners?
- Fully in-house manufacturing facility
- Strict quality assurance processes
- Competitive factory pricing
- Bulk supply capability
- Custom designs and packaging
- Reliable delivery across Eastern and Central India
Supply Regions
Fasteners India supplies countersunk Allen bolts across:
West Bengal, Odisha, Assam, Chhattisgarh, Jharkhand, Bihar, Maharashtra, Telangana, Delhi, Meghalaya, Tamil Nadu, Uttar Pradesh & Karnataka.
Contact Fasteners India Today
For dependable Countersunk Allen Bolt manufacturing in Kolkata, contact Fasteners India today for quotations, samples, and technical support.