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Simpson Anchors | SKU:
SWD22812DBB-R30
Simpson Strong-Tie SWD22812DBB-R30 Strong-Drive (0.235" x 8-1/2") Double-Threaded Screw T40 Black (30 Pack)
$60.24
Unit price
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Unavailable
Description
Description
Simpson Strong-Tie SWD22812DBB-R30 Description
The Strong-Drive SWD Double-Threaded Screw is a high-performance structural fastener engineered for exterior wood-to-wood applications, featuring a corrosion-resistant double-barrier coating and a low-profile head for a clean finish.
Simpson Strong-Tie SWD22812DBB-R30 Includes
- (30) 0.235 in. x 8-1/2 in. Double-Threaded Wood Screw
Simpson Strong-Tie SWD22812DBB-R30 Features
- Double-threaded design for superior withdrawal resistance
- Unthreaded mid-shank for tight wood connections
- Black double-barrier coating for corrosion resistance
- Flush head design for a clean finish
- Precision engineered for consistent performance
Simpson Strong-Tie SWD22812DBB-R30 Applications
- Deck ledger attachments to rim joists
- General exterior wood framing
- Pergolas, porches, and outdoor structural assemblies
- Wood-to-wood connections requiring high withdrawal strength
Simpson Strong-Tie SWD22812DBB-R30 Installation Overview
- No pre-drilling required in most applications
- Use with a standard driver or impact driver
- Drive the screw until the head is flush with the wood surface
- Compatible with treated lumber following coating guidelines
Simpson Strong-Tie SWD22812DBB-R30 Specifications
| Diameter | 0.235 in. |
| Length | 8-1/2 in. |
| Material | Carbon Steel |
| Finish | Double-Barrier Coating |
| Color | Black |
| Drive Type | T40 6-Lobe |
| Head Diameter | 0.394 in. |
| Head Type | Cylinder Head |
| Point Type | Screw Chisel Point |
| Thread Length | 3-3/4 in. |
| Thread Type | Double Thread |
| Shank Style | Unthreaded Mid-Shank |
| Quantity | 30 |
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