Simpson Strong-Tie SDWS22400DBMB Strong-Drive (0.220″ x 4″) T40 SDWS Timber Screw (Exterior Grade) Tan (250 Pack)
Simpson SDWS22400DBMB Description
The Strong-Drive SDWS Timber Screw is an exterior-grade fastener designed for wood-to-wood connections, featuring a double-barrier coating for corrosion resistance and a SawTooth point for fast starts.
Simpson SDWS22400DBMB Includes
- (250) 0.220 in. x 4 in. Timber Screw
Simpson SDWS22400DBMB Features
- Bold thread design provides superior holding power
- SawTooth point ensures fast starts and reduces installation torque
- Underhead nibs allow for flush driving with reduced splintering
- Large washer head provides a large bearing area
- Size identification on all SDWS screw heads
- 6-lobe T40 drive for positive engagement and improved bit life
- Double-barrier coating for corrosion resistance equivalent to hot-dip galvanization
Simpson SDWS22400DBMB Applications
- Structural wood-to-wood connections including ledgers
- Mass timber connections including CLT wall-to-wall, floor-to-floor, surface splines, and lap joints
Simpson SDWS22400DBMB Specifications
| Diameter | 0.220 in. |
| Finish | Double Barrier Coating |
| Length | 4 in. |
| Material | Carbon Steel |
| Drive Type | T40 Star Drive |
| Head Diameter | 0.75 in. |
| Point Type | SawTooth |
| Quantity | 250 |
| Thread Length | 2-3/8 in. |
NOTE: The correct fasteners installed in the correct position must be used to achieve published load values
