
Simpson Strong-Tie 3.9 x 152mm SDWC Type 17 Structural Timber Truss Screws - 50 Box
Description & Specs
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.
- Diameter: 3.9mm
- Length: 152mm
- Material: Steel
- Head type: Torx T30 cap head
- Point type: Type 17
- Thread: Coarse, fully threaded
- Finish: E-Coat clear zinc with orange top-coat
- Pack quantity: 50
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.
More about this product
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.
- Cap head countersinks fully into the double top plate to avoid interference with drywall
- Fully threaded shank for a secure connection between roof and wall framing members
- Type 17 point for driving into timber
- Torx T30 driver bit (BIT30T) and installation guide included in each pack
- Orange finish for easy inspection
- Box of 50
Questions & Answers
What size are these truss screws?
They are 3.9mm diameter by 152mm long.
How many come in the box?
50 screws per box.
What drive bit do they use?
A Torx T30 drive; a BIT30T driver bit is included in each pack.
Is anything else included?
Yes, each pack includes the Torx T30 driver bit and an installation guide.
What are they used for?
Connecting roof and wall framing members, such as trusses and rafters, to the top plate.
Why is the head orange?
The orange finish makes installed screws easy to inspect on site.
Shipping & Returns
Dispatches within 1-2 business days from our Australian warehouses
Change of mind? Eligible products can be returned within 14 days of delivery if unopened, unused and in original packaging. Return postage and restocking fees may apply. This does not affect your Australian Consumer Law rights for faulty products.















