Lag Bolts
Lag Bolts
Trusted Lag Bolts Manufacturer in India
Lag Bolts, also known as lag screws, are robust, high-strength fasteners designed for wood-to-wood and wood-to-metal connections in heavy-duty applications. Commonly used in construction, engineering, automotive, marine, and infrastructure projects, these bolts offer superior holding power and long-term reliability under heavy loads.
High-Quality Lag Bolts
At AN Fasteners, we are a leading manufacturer, supplier, and exporter of Lag Bolts in India, offering precision-engineered bolts that conform to global quality and performance standards. Our lag bolts are available in a wide variety of sizes, materials, and protective coatings, making them ideal for challenging industrial environments.
Specifications of Lag Bolts
Standards Compliance
ASME, DIN, ISO, BS, IFI, Indian IS, Polish PN, SAE, UNI, DIN-EN
2. Size Range:
- Metric: M2 to M160
- Imperial: 3/8″ to 8″
- Custom Sizes available upon request
3. Material Options:
- Stainless Steel: 304, 316, 321, 347, 904L
- Carbon Steel: ASTM A335 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
- Other Materials: Brass, Copper, Aluminium Bronze
4. Coating & Finishes
- PTFE Coated
- Hot Dip Galvanized
- Zinc Plated (Yellow, Blue, Black)
- Nickel Plated
- Black Phosphate Coated
- Aluminium Zinc Flake Coated
5. Tensile Strength Grades
- Available in 8.8, 10.9, 12.9, and 14.9, suitable for high-stress applications
6. Threading & Forming Types
- Threads: UNC, UNF, ISO, BSW, ACME
- Forming: Hot Forged and Cold Forged
- Thread Types: Fully Threaded & Partially Threaded
Applications of Lag Bolts
- Construction & Infrastructure: Used in bridges, docks, highway systems, railway lines, and heavy timber frameworks
- Automotive & Machinery: Ensures strong load-bearing fastening in chassis, industrial machines, and vehicle parts
- Marine & Aerospace: Ideal for corrosion-resistant and vibration-proof applications in harsh environments
Lag 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 Lag Bolts 2. Partially Threaded Lag Bolts 3. Metric Lag Bolts 4. Imperial Lag Bolts |
Why Choose for AN Fasteners Lag Bolts?
✅ Precision Manufacturing
✅ High Load-Bearing Capacity
✅ Corrosion-Resistant Coatings
✅ Bulk Stock Availability
✅ Customization as per Drawing or Specification
✅ Timely Global Delivery
📞 Get in touch with AN Fasteners today for bulk orders, technical specifications, or custom lag bolt manufacturing. We deliver quality that holds your project together — firmly and reliably.