Hollow Allen Bolts
Hollow Allen Bolts
Hollow Allen Bolts Manufacturer in India
Hollow Allen Bolts are internally-driven fasteners featuring a cylindrical head with a hexagonal recess, designed for precision tightening using an Allen key or hex wrench. Known for their strength, sleek profile, and reliable grip, these bolts are widely used in applications that require a clean, flush finish and superior holding power.
High-Quality Hollow Allen Bolts
At AN Fasteners, we specialize in manufacturing and supplying top-grade Hollow Allen Bolts built to meet the rigorous demands of modern industries. Engineered for excellence, our bolts are trusted across sectors such as construction, automotive, engineering, aerospace, and marine. Available in a wide range of sizes, materials, and finishes, our fasteners offer exceptional strength, dimensional accuracy, and long-term performance—even in the harshest environments.
Each bolt is manufactured using state-of-the-art technology and strict quality controls, ensuring compliance with international standards such as ASME, DIN, ISO, BS, IFI, and IS.
Specifications of Hollow Allen Bolts
Standards Compliance
- ASME, DIN, ISO, BS, IFI, Indian IS, Polish PN, and more.
2. Size Range:
- Metric: M2 to M160
- Imperial: 3/8” to 8”
- Available in Hot Forged and Cold Forged options
3. Material Options:
- Stainless Steel: 304, 316, 321, 347, 904L
- Carbon Steel: ASTM A335 GR P1, P5, P9, P11, P12, P22, P23, P91
- Alloy Steel: A/SA 193 / 194 – B6, B7, B7M, B16, GR6
- Nickel Alloys: Inconel, Monel, Hastelloy, Nimonic, Copper, Brass
4. Surface Coatings
- PTFE Coating
- Hot Dip Galvanized
- Zinc Plated (Yellow, Blue, Black)
- Nickel Plated
- Aluminium Zinc Flake Coating
- Black Phosphate Coating
5. Tensile Strength Grades
Available in 8.8, 10.9, 12.9, and 14.9, suitable for high-stress applications
6. Threading & Forming Types
- Thread Types: UNC, UNF, ISO, BSW, ACME
- Available in Fully Threaded and Partially Threaded versions
- Supplied in both Metric and Imperial variants
Applications of Hollow Allen Bolts
Our Hollow Allen Bolts are a preferred choice for industries requiring secure and clean fastening solutions:
- Construction & Infrastructure: Ideal for bridges, docks, structural assemblies, and highway systems
- Automotive & Machinery: Used in engines, transmission systems, and heavy-duty equipment
- Aerospace & Marine: Trusted in harsh, high-performance environments requiring superior corrosion resistance
Hollow Allen Bolt 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 Hollow Allen Bolts 2. Partially Threaded Hollow Allen Bolts 3. Metric Hollow Allen Bolts 4. Imperial Hollow Allen Bolts |
Fast Delivery. Custom Solutions. Trusted Worldwide.
With custom sizes, bulk packaging, and on-time delivery, AN Fasteners ensures a seamless experience and unmatched quality for all your fastening needs.
📞 Reach out today for expert assistance and premium Hollow Allen Bolts built for performance.