Simpson Strong-Tie, Strong-Drive® 4 in. x 0.220 in., SDWS™ Timber Screw, Exterior Grade, Tan, 50 Count
The Simpson Strong-Tie® Strong-Drive® SDWS™ Timber screw is designed to provide an easy-to-install, high-strength alternative to through-bolting and traditional lag screws. This screw is ideal for the contractor and do-it-yourselfer alike. It is code listed in IAPMO UES ER-192 and meets IRC® and IBC® code requirements for most common wood framing applications. The double-barrier coating provides corrosion resistance equivalent to hot-dip galvanization, making it suitable for certain exterior and preservative-treated wood applications, as described in the evaluation report.
As low as $39.19
each
- SawTooth® point ensures fast starts, reduces installation torque and eliminates the need for predrilling in most applications
- Bold thread design provides superior holding power
- Underhead nibs allow for head to drive flush to surface with reduced splintering
- Large low-profile washer head provides maximum bearing area (0.760-in. head dia.)
- Size identification on all SDWS screw heads
- 6-lobe T40 drive provides positive engagement that makes the screw easy to drive and improves bit life (replacement driver bit — BIT40T-134-R2)
- Length: 4 in.
- Color: Tan
- Quantity: 50 per package
| Type | Exterior Wood Screws |
|---|---|
| Color | Tan |
| Length | 4 in. |
| Diameter | 0.220 in. |
| Style | Washer Head |
| Drive Type | Star T-40 |
| Brand | Simpson Strong-Tie |
| Series/Sub-Brand | SDWS |
| Color Family | Tan |
| Finish | Double-Barrier Coating |
| Material | Carbon Steel |
| Pack Size | 50 Count |
| Manufacturer Code | SDWS22400DB-R50 |
Application: Structural wood-to-wood/engineered including ledgers; mass timber connections including CLT wall-to-wall, floor-to-floor, surface splines and lap joints.
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