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GRK Fasteners R4 01143 Framing and Decking Screw, 4-3/4 in L, W-Cut Thread, Recessed Star Drive, Zip-Tip Point, Steel

GRK Fasteners

GRK Fasteners R4 01143 Framing and Decking Screw, 4-3/4 in L, W-Cut Thread, Recessed Star Drive, Zip-Tip Point, Steel

$82.99$82.99
GRK Fasteners R4 01143 Framing and Decking Screw, 4-3/4 in L, W-Cut Thread, Recessed Star Drive, Zip-Tip Point, Steel
  • Applicable Materials: Cedar Lumber Redwood Southern Yellow Pine
  • Drive Size: T25
  • Drive Type: Recessed Star
  • Includes: 2 in Bit
  • Length: 4-3/4
  • Model #: 01143
  • UPC #: 772691011435
  • SKU: 7232978

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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. This design enhances the R4's versatility by allowing the fastener to countersink into even the hardest woods. The head of the screw closes the hole off with precision leaving no damaged fibers around the head. R4â„¢ screws 2 in and longer have a four threaded CEE thread. This enlarges the screw hole for the non-threaded portion of the fastener, allowing the wood to settle easily. It increases the screw's drawing strength and reduces the friction on the screw shank that lowers the driving torque.

Key Features

  • Recessed star drive for zero stripping, with six points of contact
  • CEE THREAD™ enlarges hole to reduce splitting
  • W-CUT™ for low torque, faster drive
  • ZIP-TIP™ ensures no pre-drilling and faster penetration
  • Cutting pockets provide a clean hole, reduces splitting and bore with precision
  • Case hardened steel for high tensile, torque and shear strength
  • Climatek™ coating is AC257 code approved for use in treated lumber

Item Specifications

Applicable MaterialsCedar Lumber Redwood Southern Yellow Pine
Drive SizeT25
Drive TypeRecessed Star
Includes2 in Bit
Length4-3/4
MaterialSteel
Package Quantity230 PK
Point TypeZip-Tip
Shear Strength542 lb
Tensile Strength846 lb
Thread Length3 in
Thread TypeW-Cut
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