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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.
Star Drive Recess: Six-point contact design ensures zero stripping
Zip-Tip: Self-starting tip eliminates the need for pre-drilling
W-Cut Technology: Reduces torque for faster, easier driving
Precision Fit*:: Reduces wobble between R4 screws and GRK bits for improved productivity
Climatek Coating: ICC-ES AC257 certified for treated lumber use
CEE Thread: : Enlarges hole to reduce splitting
Versatile Use: Suitable for both indoor and outdoor applications
Code Approved:: For structural applications ESR-3201
Interior and Exterior Remodeling
Multi-Purpose Framing
Porches and Patios
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.
Star Drive Recess: Six-point contact design ensures zero stripping
Zip-Tip: Self-starting tip eliminates the need for pre-drilling
W-Cut Technology: Reduces torque for faster, easier driving
Precision Fit*:: Reduces wobble between R4 screws and GRK bits for improved productivity
Climatek Coating: ICC-ES AC257 certified for treated lumber use
CEE Thread: : Enlarges hole to reduce splitting
Versatile Use: Suitable for both indoor and outdoor applications
Code Approved:: For structural applications ESR-3201
Interior and Exterior Remodeling
Multi-Purpose Framing
Porches and Patios