Grip-Rite 5024009 1.625 in. No.8 Wire Phillips Flat Head Cement Board Screws, Black - Pack of 5000

Ideal for fiber and cement board applied to wood or steel Exterior grade galvanized fasteners are ideal for outdoor construction and used for all types of treated lumber, including ACQ High-low thread provides higher strip-out resistance Countersunk head with flat top surface Nibs help to remove base material to provide a clean finish Standard screw point for fastening into wood and other medium to soft materials Includes 1 free bit