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GRK Fasteners

GRK Fasteners R4 01101 Framing and Decking Screw, #9 Thread, 2-1/2 in L, W-Cut Thread, Round Head, Star Drive, Steel

  • Applicable Materials: Cement Fiber Board Melamine Particle Board Plastic Sheet Metal Wood
  • Drive Size: T25
  • Drive Type: Star
  • Head Type: Round
  • Length: 2-1/2
  • Model #: 01101
  • UPC #: 772691011015
  • SKU: 7212400

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Product Details

GRK's R4â„¢ self-countersinking screw has a patented underhead with saw-blade like cutting teeth and six self-contained cutting pockets. Together they act similar to a circular saw-blade, transporting the drill dust away from the edge of the screw hole while cutting a perfectly clean hole into even the most brittle materials without cracking any surface treatment.

Key Features

  • Fast bite tip eliminates pre-drilling and provides a fast start for one step installation
  • W-Cut low installation torque allows for fast driving and ease of install
  • Precision fit reduces wobble between R4 screws and GRK bits for improved productivity
  • Star drive, zero stripping, with six points of contact
  • Improves clamping force for increased drawing power
  • CEE thread enlarges hole to reduce splitting
  • Cutting teeth cuts wood fiber and provides flush seating
  • GRK head markings easy identification of genuine GRK screws

Item Specifications

Applicable MaterialsCement Fiber Board Melamine Particle Board Plastic Sheet Metal Wood
Drive SizeT25
Drive TypeStar
Head TypeRound
Length2-1/2
MaterialSteel
Package Quantity575 PK
Thread Length1.57 in
Thread Size9
Thread TypeW-Cut
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