GRK R4 Multi-Purpose Screw is a versatile fastener that delivers increased productivity for hundreds of applications. Its feature-rich design provides a fast and reliable connection every time. R4 Multi-Purpose Screws have a Climatek Coating for installation in both interior and exterior conditions where exposure to moisture is intermittent and is code-approved for use in treated lumber.
Fast Bite Tip starts fast with less force than the competition, no pre-drilling
For use in wood, particle-board, cement fiberboard, plastic, sheet metal
Precision Fit reduces wobble between R4 screws and GRK bits for improved productivity
W-cut low installation torque allows for fast driving and ease of install
CEE Thread enlarges hole to reduce splitting, optimized thread length improves clamping force for increased drawing power
Climatek coating for interior and exterior applications
Common project applications: remodeling, fencing, storage, cabinets, framing
Underhead cutting teeth for flush seating
ESR-3201 approved for structural applications