Power Pro Cement Board Screws are ideal for fastening cement board to wood or light-gauge metal studs. These screws work great in all cement board brands. The innovative design outperforms the competition, providing a faster, easier-to-drive solution for the professional. Items come in convenient reusable, stackable plastic packaging with a free T20 Pro-Stik bit, offering stable driving and one-hand operation.TEXTURED HEAD: Improves mortar adhesionSTAR DRIVE: No stripping, 6 points of contactAGGRESSIVE COUNTERSINKING BLADE SYSTEM: Prepares head for flush countersinkingTWIST SHANK: Prevents board cracking and clears out debrisHIGH-LOW THREAD DESIGN: Drives clean and fast through dense cement board materialSELF-PIERCING POINT WITH TYPE 17 CUT: Quickly pierces wood & metal studs (26-20 gauge) and clears out debrisCORROSION RESISTANT: Gray epoxy coating is recommended for interior/exterior applications and treated lumberRecommended for 1/2" cement board, box contains enough screws to install twenty-four (24) 3' x 5' boards