

Screws
Coach Screw (Hex Head Wood Screw)
Hex head coach screws (lag screws, DIN 571) in zinc-plated and GI steel, M6 to M16, for heavy timber and wall fixings with plugs.
| Material | Mild steel |
|---|---|
| Sizes available | M6 to M16, Lengths 25 mm to 200 mm |
| Finish | Zinc plated, Hot-dip galvanised |
| Standards | DIN 571 |
| Price | Price on request – depends on size and quantity |
| Availability | In stock for Trichy & Thanjavur. Delivered across Tamil Nadu and all over India. |
Need a price or bulk quantity?
Send us the size and quantity on WhatsApp. Pick up in Trichy & Thanjavur, or we deliver across Tamil Nadu and all over India. We usually reply within working hours (Mon – Sat, 9:00 AM – 8:00 PM).
About Coach Screw (Hex Head Wood Screw)
Coach screws (lag screws) are heavy wood screws with a hex head, driven with a spanner. They carry far more load than ordinary wood screws and are used on timber frames, beams and gates, and with wall plugs for heavy brackets.
Common applications
- Heavy timber frames and beams
- Fixing brackets to walls with plugs
- Gates, pergolas and decking
Frequently asked questions
›How is a coach screw tightened?
With a spanner or socket on the hex head, into a pilot hole in timber or a plug in the wall.
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