Kreg gives you the perfect set of screws for any hardwood project with these 1-1/2" #7 Fine Washer-Head Pocket Screws, 500 Count (SML-F150-500). Made of case-hardened solid steel, they are impressively strong and nearly impossible to break. The #2 square drive recess provides excellent driver engagement while the larger washer head style provides superior hold in the bottom of the pocket.  Ideal for pocket-screw joinery, the deep recess of the square drive provides positive driver engagement to reduce cam-out.