Have this Kreg #8 1-1/4 in. Square Maxi-Loc Head Coarse Zinc-Plated Steel Pocket-Hole Screw delivered to your job site. Maxi-Loc washer head for standard Kreg pocket holes. Flat-bottom head and smooth shank draw the pocket-hole joint together tightly. Case-hardened steel won’t bend, snap, or break. Coarse threads for softwoods, such as pine. and for plywood, MDF, particleboard.