RSS Rugged Structural Screw is an easy to install lag alternative.

W-CutTM provides low installation torque which allows for fast driving and ease of install
Zip-TipTM allows for faster penetration
Unique thread design draws two substrates together while washer head allows zero gap joints
ClimatekTM coated screws provide corrosion resistance in pressure treated wood with corrosive ground contact
ESR-2442 approved for structural applications