Construction Screws

The modern construction screw has largely replaced the traditional coach screw and machine screw combination for many structural timber applications, offering faster installation, better thread engagement, and no requirement for a pre-drilled clearance hole. At the DIY Hardware Store, our construction screws range covers the purpose-designed structural and semi-structural screws used in timber frame work, decking substructure, fencing, and general heavy-duty timber connections.

Construction screws are characterised by their coarse, aggressive thread profile, their large diameter in relation to their head, and their Torx (star) drive recess - which provides far better driver engagement and torque transfer than Pozi or Phillips for high-load driving. Many feature a partial thread shank that aids clamping by pulling two timber members together before the thread fully bites.

They're specified for structural timber connections, ground-level decking frames, landscaping timber, pergola and fence post installation, and any application where a standard woodscrew is too light. Available in zinc-plated, green-coated, and stainless steel versions.

  • Coarse thread for aggressive timber engagement
  • Torx drive for high-torque driving without cam-out
  • Partial thread shank for clamping action
  • No pre-drilling required in most applications
  • Zinc-plated, green-coated, and stainless steel options
  • Suitable for timber frames, decking, fencing, and landscaping