#8 x 1-5/8 in. Flat-Head with Nibs High-Low Thread Cement Sharp Point Cement Board Screws (5,000 Pack) | PRO-CB158

The high-low thread on these Flat-Head Sharp-Point Screws with Nibs provide a higher strip-out resistance. They have superior holding power when attaching to light gauge steel. PrimeSource offers a wide variety of proprietary branded hand drive fasteners in the Grip-Rite and Pro-Twist brands for both interior and exterior applications.

• 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