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Top Hat Bracket (NT only)

Ideal for tying down roof battens to rafters or truss top chords

Pre-punched and formed galvanised steel timber connectors ideal for:
Tying down 70mm x 45mm roof battens to rafters or truss top chords in high winds areas.

For Northern Territory use only.


  • Capacity from Low High Low cyclone testing as specified in the BCA for inclusion in the northern territory deemed to comply manual (DTCM)
  • Fully tested by James Cook University Cyclone Testing Station under Low High Low cyclone testing regime and referenced in the NT Deemed to Comply Manual.
Screw Size NumberStrength limit state design load (kN)
Timber Joint Group 
12 4.2

Fixing procedure:

  1. Fix each side of bracket with one Type 17 screw as noted above.
  2. Screws are Buildex Type 17, 50mm long galvanised batten screws.
  • Minimum end distance for: No.12 gauge screws 55mm.
  • Screw holes to be prebored.
  • Fix 1/30mm x 2.8Ø nail in top.


Manufactured from 1.5mm Galvanised G300 Z275 Steel

DescriptionProduct CodeReference CodeCarton quantityCarton kg.
175x30mm TA0423 THB70-100 100 9.0
30mm x 2.8Ø Multinail Nails (TA302)