Index Screws | Heavy-Duty Timber & Construction Fixings

Our range of Index Screws (also known as heavy-duty timber or structural screws) is designed for high-strength fixing in landscaping, fencing, decking, and general construction. Available in a wide range of lengths and diameters, these screws are ideal for securing large timbers, sleepers, and structural frames.

✅ Hex-head design for use with impact drivers and socket tools
✅ Sharp point and self-drilling thread for fast, clean installation
✅ Lengths available from 50mm to 150mm+
✅ Yellow zinc and corrosion-resistant finishes available
✅ Ideal for timber-to-timber connections and heavy-duty applications

Used by fencers, landscapers, builders, and DIYers, Index Screws are a must-have for any outdoor or structural timber project.

✔️ Supplied in trade packs or tubs
✔️ Compatible with washers and drive sockets
✔️ Nationwide delivery available