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Simpson Anchors | SKU:
SWD18312DBB-R50
Simpson Strong-Tie SWD18312DBB-R50 Strong-Drive (0.180-in x 3-1/2-in T30) SWD Double-Threaded Screw Black (50 Pack)
$24.09
Unit price
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Description
Description
Simpson Strong-Tie SWD18312DBB-R50 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 SWD18312DBB-R50 Includes
- (50) Double-Threaded Wood Screw
Simpson Strong-Tie SWD18312DBB-R50 Features
- Double-thread design for superior withdrawal resistance
- Unthreaded mid-shank for tight wood connections
- Corrosion-resistant double-barrier coating
- Low-profile head for a clean, flush finish
- Precision engineered for consistent performance
Simpson Strong-Tie SWD18312DBB-R50 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 SWD18312DBB-R50 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 SWD18312DBB-R50 Specifications
| Diameter | 0.180" |
| Finish | Double-Barrier Coating |
| Length | 3-1/2" |
| Material | Carbon Steel |
| Color | Black |
| Drive type | T30 6-Lobe |
| Head diameter | 0.315" |
| Head type | Cylinder Head |
| Point type | Screw Chisel Point |
| Quantity | 50 |
| Shank style | Unthreaded Mid-Shank |
| Thread length | 1-5/8" |
| Thread type | Double Thread |
NOTE: Ensure screws are installed straight into the side grain of the wood main member with the screw axis at a 90 Degree angle to the wood fibers.
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