Timber Screws - Recommended Usage
Fastener type | Wood-to-wood fastening | Lag bolt replacement | Decks and ledgers | Marine/coastal |
---|---|---|---|---|
SDWS, Oversize washer
|
✓ | ✓ | ||
SDWH, Hex washer
|
✓ | ✓ | ||
SDWH, Hex washer HDG
|
✓ | ✓ | ✓ | ✓ |
SDWH, SS Hex washer
|
✓ | ✓ | ✓ |