Carriage Bolts
Carriage Bolts
Trusted Carriage Bolts Manufacturer in India
Carriage Bolts, also known as coach bolts or round head square neck bolts, are widely used in woodworking, construction, automotive, and infrastructure applications. These bolts feature a domed head and square neck, preventing rotation once installed—ideal for a clean, tamper-resistant finish.
High-Quality Carriage Bolts
At AN Fasteners, we manufacture and supply high-performance Carriage Bolts in a wide range of sizes, materials, finishes, and international standards. Our products are engineered for corrosion resistance, high tensile strength, and long-term durability across industrial, commercial, and residential sectors.
Specifications of Hollow Hex Bolts
1. International Standards
ASME, DIN, ISO, BS, UNI, IS, IFI, Polish PN
2. Size Range:
- Metric: M2 to M160
- Imperial: 3/8″ to 8″
- Custom sizes available on request
3. Material Options:
- Stainless Steel: 304, 316, 321, 347, 904L
- Carbon Steel: ASTM A335 grades
- Alloy Steel: B6, B7, B7M, B16
- Nickel Alloys: Inconel, Monel, Hastelloy, Nimonic
- Other Metals: Brass, Copper, Aluminium Bronze, Silicon Bronze
4. Coating & Finish Options
- PTFE Coated
- Hot-Dip Galvanized
- Zinc Plated (Yellow, Blue, Black)
- Nickel Plated
- Aluminium Zinc Flake Coated
- Black Phosphate Coated
5. Forming Techniques
Hot Forged & Cold Forged for enhanced structural strength
6. Threading Options
- Fully Threaded
- Partially Threaded
- Thread Types: UNC, UNF, ISO, BSW, ACME
Applications of Carriage Bolts
- Construction & Infrastructure: Ideal for bridges, docks, wooden beams, and decking
- Automotive Industry: Used for chassis, frames, and underbody fastening
- Engineering & Machinery: Reliable for vibration-resistant connections
- Furniture Manufacturing: Popular in flat-pack furniture and cabinetry for concealed yet strong joints
Carriage 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 Carriage Bolts 2. Partially Threaded Carriage Bolts 3. Metric Carriage Bolts 4. Imperial Carriage Bolts |
Why Choose AN Fasteners for Carriage Bolts?
✔️ Wide Range of Materials & Sizes
✔️ ISO-Compliant Manufacturing
✔️ Bulk Availability with Ready Stock
✔️ Custom Manufacturing & OEM Service
✔️ Export-Grade Packaging & Global Delivery
📞 Need bulk Carriage Bolts or custom solutions?
Contact AN Fasteners today for technical assistance, fast quotes, and superior-quality fastening products tailored to your specifications.