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.
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Fast Bite Tip: Provides a fast start
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Zip-Tip™: Eliminates pre-drilling
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W-Cut™: Low torque, faster drive
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Precision Fit*: Reduces wobble between R4 screws and GRK bits for improved productivity
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CEE Thread™: Enlarges hole to reduce splitting
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Star Drive Recess: Zero stripping, with 6 points of contact.
Features
Additional Features
- CEE Thread™ to reduce splitting.
- Underhead cutting teeth for flush seating.
- Climatek™ indoor / outdoor coating.
- ESR-3201 approved for structural applications.