Description
GRK’s R4 multi-purpose screw is a versatile, code approved fastener for hundreds of applications. Its feature-rich design provides a fast and reliable connection every time.
Fast bite tip eliminates pre-drilling and provides a fast start for one-step installation
W-Cut low-torque, faster drive
Precision fit reduces wobble between R4 screws and GRK bits for improved productivity
Zero stripping, with six points of contact
Optimized tooth design – penetrates metal with ease
CEE Thread enlarges hole to reduce splitting
Cutting teeth cuts wood fiber and provides flush seating






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