Description

Fencing Screws for Steel Frames – AnchorMark S2-TTM DELTA® SEAL

Achieve a clean, secure finish for your fencing, screening, or cladding with these high-performance timber-to-metal screws. Designed for steel substructures, they deliver strength, speed, and a professional look.


Built for Steel Subframes

These screws feature an aggressive self-drilling tip with wings, making installation fast and efficient.

  • No pre-drilling required
  • Suitable for steel thickness 1.25 mm to 3.0 mm
  • Cuts a clearance hole through timber and drills into steel
  • Saves time on site

Durable DELTA® SEAL Coating

Made from carbon steel with DELTA®-SEAL coating, these screws offer reliable corrosion protection for general outdoor use.

  • High resistance to weather and corrosion
  • Increased fracture torque for strength
  • Ideal where stainless steel is not required

⚠️ Note: Not suitable for coastal areas, around pools, or harsh environments. For those conditions, use 316 stainless steel screws.


Smooth Driving & Strong Hold

The SIT® drive (TX compatible) ensures consistent performance and a tight fit.

  • Excellent torque transfer
  • Fast centring for quick installation
  • Reduced cam-out

A high-efficiency thread with anti-friction coating helps reduce drive-in torque for smoother driving.


Clean, Professional Finish

Designed for visible applications where appearance matters.

  • Small head diameter for a neat, flush finish
  • Smooth head – no sanding required after install
  • Helps prevent timber tearing or splitting

Available in silver, brown, and black to suit your project.


Ideal Applications

  • Timber fencing on steel frames
  • Screening and feature panels
  • Cladding fixed to steel substructures

Important Load Information

  • Maximum tensile capacity: 1kN per fixing point
  • Maximum shear capacity: 8kN per fixing point

Always ensure your application stays within these limits. If unsure, consult a qualified engineer.


Pro Tip

Avoid harsh chemical cleaners on timber, as they may damage the screw coating. Wash off any residue to maintain performance and appearance.


Why Choose AnchorMark S2-TTM Screws?

  • Designed for timber to steel fixing
  • Fast install with self-drilling tip
  • Durable DELTA®-SEAL coating
  • Clean, flush finish with no sanding
  • Multiple colours to match your project

Reliable, efficient, and built for everyday outdoor projects.
These fencing screws make steel frame installs quicker and cleaner.