
Designer Plants
Simpson Strong-Tie 3.9 x 152mm SDWC structural timber truss screws create secure connections between roof and wall framing members, supplied in a box of 50. The cap head countersinks fully into the double top plate to avoid interfering with drywall, and the fully threaded shank locks the connection together.
Each pack includes a Torx T30 driver bit (BIT30T) and an installation guide for correct fitting. The orange finish makes installed screws easy to inspect, and the Type 17 point drives into timber for fast, reliable structural fixing.
Simpson Strong-Tie 3.9 x 152mm SDWC Type 17 Structural Timber Truss Screws - 50 Box provide secure connections for trusses and rafters, helping maintain structural integrity in your projects.
They are 3.9mm diameter by 152mm long.
50 screws per box.
A Torx T30 drive; a BIT30T driver bit is included in each pack.
Yes, each pack includes the Torx T30 driver bit and an installation guide.
Connecting roof and wall framing members, such as trusses and rafters, to the top plate.
The orange finish makes installed screws easy to inspect on site.





