#8 Screw Square Drive
8 x 2 1/2 Standard Square Drive
Heavier gauge body provides more material for long drilling with less chance of twist off
Deep Threads for better grip, especially useful in wood composite materials.
Flat head lies flush to surface
Dress up your wood work with a finish washer, Search: #8 Finish Washer 1/2″ Diameter (Bag of 100)