These self-drilling screws have superior holding power when attaching to wood or 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
- Fine thread provides superior holding power when attaching to light gauge steel
- 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
- Recess designed to cam-out before being overdriven
- Includes 1 free bit
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