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GRK Fasteners R4™ Multi-Purpose Screw (#10 x 4" 50 Count)

GRK Fasteners

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
  • Zip-Tip™: Eliminates pre-drilling  
  • W-Cut™: Low torque, faster drive  
  • Precision Fit*: Reduces wobble between R4 screws and GRK bits for improved productivity  
  • CEE Thread™: Enlarges hole to reduce splitting 
  • Star Drive Recess: Zero stripping, with 6 points of contact.


  • Fast Bite Tip
    Provides a fast start
  • GRK’s Star Drive Recess
    Provides 6 points of contact for zero stripping

  • W-Cut™
    Low torque and smoother drive reduce splitting

Additional Features

  • CEE Thread™ to reduce splitting. 
  • Underhead cutting teeth for flush seating. 
  • Climatek™ indoor / outdoor coating. 
  • ESR-3201 approved for structural applications. 

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