自1964年以来，加拿大拥有并运营，引以为傲
Simpson Strong-Tie Outdoor Accents SDWS 0.220 in. x 3-1/2 in. Structural Wood Screw, Black
*仅限线上定价
Outdoor Accents SDWS 0.220 in. x 3-1/2 in. Structural Wood Screw, Black
The Outdoor Accents SDWS is a 0.220 in. x 3-1/2 in. structural wood screw in black double-barrier coating. Use it with Outdoor Accents hardware and the STN22 hex-head washer for a finished look, or on its own as a wood-to-wood structural screw.
Low-profile head with a deep T40 6-lobe recess; the SawTooth point starts without predrilling.
Features and Common Uses
- 0.220 in. x 3-1/2 in., 2 in. thread
- T40 6-lobe drive, 0.760 in. low-profile head
- SawTooth point, no predrill in most applications
- Double-barrier black coating
Commonly used for:
- Outdoor Accents brackets and post bases with STN22 washers
- Pergolas, benches and furniture
- Wood-to-wood structural connections
Specifications
| Brand | Simpson Strong-Tie |
|---|---|
| Model | SDWS22312DBB |
| Size | 0.220 in. x 3-1/2 in. |
| Thread length | 2 in. |
| Drive | T40 6-lobe |
| Head diameter | 0.760 in. |
| Coating | Double-barrier, black |
Dimensions are from Simpson's product data for the SDWS22312DBB. Structural values depend on wood species and edge distances; see the fastening catalogue. Source: Simpson Strong-Tie Wood Construction Connectors Catalog C-C-2026, pp. 353-359, Outdoor Accents (PDF).
How to Install
- Drive with a 1/2 in. low-speed drill and T40 bit until the head is snug.
- With Outdoor Accents hardware, add an STN22 hex-head washer under the head.
Full installation notes and load tables: Source: Simpson Strong-Tie Wood Construction Connectors Catalog C-C-2026, pp. 353-359, Outdoor Accents (PDF).
Frequently Asked Questions
Do I need to predrill?
Not in most applications; the SawTooth point starts on its own.
Which washer?
The Outdoor Accents STN22 hex-head washer.