How it connects
The cap-style head of an SDWC truss screw inserts axially into the molded cylindrical retaining cavity, engaging the recessed T30 drive bit and held temporarily by friction and side alignment walls during positioning.
Male and female halves
Female cavity / socket on the Quik Stik tool head that accepts the male fastener head of an SDWC screw.
Usually connects to
- Simpson Strong-Tie Strong-Drive SDWC Truss Screw cap head (male)
Common sizes
- Matches standard 0.152 in shank SDWC truss screw cap head diameter (~10–12 mm OD)
Where it is used
timber constructionresidential framingroof rafter and truss installation
Variations
- Quik Stik head screw holder
- SDWC manual installation guide screw channel
How to recognise it
A recessed cylindrical cavity located between two positioning prongs on the molded head of a Simpson Quik Stik extension tool, exposing the tip of an internal T30 driver bit.
Often confused with
| Confused with | How to tell them apart |
|---|---|
| Standard magnetic bit holder | Standard bit holders accept 1/4" hex drive bits; this cavity is an outer contoured sleeve/socket specifically shaped to seat the SDWC screw head over a T30 bit. |
| Simpson Quik Drive collated screw attachment | Quik Drive uses collated strips of screws in a feeder track rather than single screw retention in a stick-tool cavity. |
Also called
Quik Stik screw holderSDWC screw holder cavityQuik Stik fastener head guide
Good to know
This proprietary Simpson Quik Stik / SDWC interface retains the screw in the installation tool.
Related connections
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