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: Provides a fast start for one-step installation
Zip-Tip™: Eliminates pre-drilling
W-Cut™: Low torque, faster drive
Precision Fit: Reduces wobble between R4 screws and GRK bits for improved productivity1
CEE Thread™: Enlarges hole to reduce splitting2
Star Drive Recess: Zero stripping, with 6 points of contact
Underhead Cutting Teeth: Cuts wood fiber & provides flush seating
GRK Head Markings: Easy identification of genuine GRK screws
Climatek™ Coating: ICC-ES AC257 code approved for use in treated lumber3
Code Approved: For structural applications (see ESR-3201)4
Some sizes also available in PHEINOX™ 305 and 316 grade Stainless Steel• For interior / exterior use
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