Online Parts Store › Lag Screw, 3/8 x 3" Image 1 of 1 Lag Screw, 3/8 x 3" $41.46 Hot Dipped Galvanized. Add To Cart Added! Hot Dipped Galvanized. You Might Also Like Stainless Cotter Pin 1/8" x 1-1/2" $55.55 Phillips Tapping Screws - Oval Head, #10 x 1-1/2" $36.59 Phillips Tapping Screws - Flat Head, #8 x 1" $18.01 Stainless Fender Washer 1/4", .062" Thick1/4", OD1-1/4" $59.33 Phillips Tapping Screw - Truss Head #8 x 1-1/2" $63.30