Screw Size #10 (0.190") - Straight Pilot Drill size for Soft Wood 1/8 . Straight Pilot Drill size for Hard Wood 9/64
Screw length measured from top of flat to tip of screw 2-1/2" (2.5") - Screw head Diameter 0.345"
#2 Robertson Drive ( Square )
Made of highly corrosion resistant 18-8 Stainless steel
Deck screws have a type-17 (auger type) thread cutting tip for installation into decking materials. They have bugle heads that allows the screw to depress the wood surface