Simpson Strong-Tie SWD18614DBB Strong-Drive (0.180 x 6-1/4″) Double-Barrier Double-Threaded Screw – Black (500 Pack)
Simpson Strong-Tie SWD18614DBB 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 flush head design for a clean finish.
Simpson Strong-Tie SWD18614DBB Includes
- (500) 0.180 x 6-1/4 in. Double-Threaded Wood Screw
Simpson Strong-Tie SWD18614DBB Features
- Double-threaded design for superior withdrawal resistance
- Unthreaded mid-shank for tight wood connections
- Black double-barrier coating for outdoor durability
- Flush head design for a clean, snag-free finish
- Precision engineered for consistent performance
Simpson Strong-Tie SWD18614DBB 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 SWD18614DBB Installation Overview
- No pre-drilling required in most applications
- Use with a standard driver or impact driver
- Drive screw until head is flush with wood surface
- Compatible with treated lumber following coating guidelines
Simpson Strong-Tie SWD18614DBB Specifications
| Diameter | 0.180″ |
| Finish | Double-Barrier Coating |
| Length | 6-1/4″ |
| Material | Carbon Steel |
| Color | Black |
| Drive type | T30 6-Lobe |
| Head diameter | 0.315″ |
| Head type | Cylinder Head |
| Point type | Screw Chisel Point |
| Quantity | 500 |
| Shank style | Unthreaded Mid-Shank |
| Thread length | 2-1/2″ |
| Thread type | Double Thread |
