Step 2: Drive the screw Face frame technique. Position face frames precisely (use a spacer block here) and clamp the joint to hold the faces flush. Drive the pocket screws into the holes with the 6-in. long square driver bit until the joint is snug. Refasten the drywall with 1-1/4-in. drywall screws . Drive the screws until they are recessed but don't break through the paper covering on the drywall. If you accidentally drive a screw too deep, add another screw alongside it. Cut out crushed or damaged drywall with a sharp utility knife. Get Diy Workbench Upgrades Free Download : Build Anything out of Wood Easily Quickly. View 13,000 Woodworking Plans here.