Timco 217796 Drywall Construction Timber Stud Cement Board Screws - Ph - Countersunk Wafer - Twin-Cut - Exterior - Silver Organic 4.2 X 42 Box 200

Specifically Designed For Fixing Cement Board To Timber And Thin Sheet Metal (Max. 0.6Mm). Self Countersinking Head For A Secure And Flush Finish. Twin-Cut Point With A Hi-Low Thread. Exterior Grade Coating For Superior Corrosion Resistance In Damp Or Corrosive Environments When Compared To Standard Fasteners.PTDTIM217796