SSDTHWeatherboard Screws

Quik-Drive Auto-feed Screw Driving System

The SSDTH Weatherboard Screw is designed for weatherboard applications with stronger fixing power and faster installation. The weatherboard screw features self-drilling tips, box threads and a proprietary trim-head profile. All screws in the range are driven using a #2 square driver bit and are collated for use with our Quik-Drive auto-feed screwdriving system.


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Bit(s) included with every box of screws under the back lid

Technical Information

Technical Data

Model No. Diameter Length Thread Point Box Qty Drive Size Replacement Bit PRO300
SSDTH212S 3.84mm 65mm Box Threads Sharp 2000 #2 Square BIT2S-RC10
SSDTH3S 3.84mm 75mm Box Threads Sharp 2000 #2 Square BIT2S-RC10

Note: For applications in corrosive areas, 316 grade of stainless steel screws are available. Please check with Simpson Strong-Tie office.

BRANZ Appraisal No. 1044

Simpson Strong-Tie Weatherboard Screws have been appraised by BRANZ for use as weatherboard fixings on timber framed buildings, where the weatherboards meet the following specification:

Key Applications



Fliers (PDFs)

  1. See BRANZ Appraisal No. 1044 for further information.
  2. 316 Stainless Steel screws are available for highly-corrosive applications and detailed in BRANZ Appraisal No. 1044.

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