GRK Fasteners R4 Screw Pro-Pak 9 x 2″1/2
The patented R4 Multi Purpose Screw with starhead is self-tapping with the Zip-Tip and W-Cut, has a countersinking head, and CEE thead that enlarges the screw hole allowing the wood to settle easily and increasing the screw’s drawing strength. The R4 comes in 59 sizes and some sizes are available in PHEINOX Stainless Steel.
Self-Countersinking screw
W-Cut thread design cuts through any fibrous material with ease. Zip-Tip™ is designed for fast starts in any fibrous material.
CEE Thread enlarges the screw hole for the non-threaded portion of the fastener, allowing the wood to settle easily.
Climatek™ is exclusive to GRK products, which is a coating for corrosion pretection.
Multi purpose screw.
CEE Thread enlarges screw hole for the non-threaded portion of the fastener allowing the wood to settle easily.
Self-countersinking screw with underhead cutting teeth and six cutting pockets.
W-Cut thread design cuts through any fibrous material with ease. Zip-Tip™ is designed for fast starts in any fibrous material.
Climatek™ is exclusive to GRK products, which is a coating for corrosion pretection.
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