Simpson Strong-Tie® Strong-Drive® Timber Screw, Series: SDWS, Imperial, 3 in Overall Length, T40 6-Lobe Drive, Washer Head, 1-1/2 in Thread Length, Double-Barrier Coated, 3/4 in dia Head, SawTooth™ Point, 0.22 in Shoulder dia
Features
- Saw
- Tooth™ point ensures fast starts, reduces installation torque and eliminates the need for predrilling in most applications
- Bold thread design provides superior holding power
- Under head nibs that offer greater control when seating the head
- Large low-profile washer head provides maximum bearing area (3/4 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
- Double-barrier coating provides corrosion resistance equivalent to hot-dip galvanization, making it suitable for certain exterior and preservative-treated wood applications