GRK Fasteners R4 Screw Bulk 9 x 2-1/2in (2900pcs)
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-tapping is the ability of a screw to advance when turned, while creating its own mating thread.
W-Cut Thread design cuts through any fibrous material with ease and reduces the amount of torque required to install the screw. Zip-Tip™ is designed for fast starts in any fibrous materials.
CEE Thread enlarges the screw hole for the non-threaded portion of the fastener allowing the wood to settle easily.
Climatek™ is a patented GRK coating in gold color for corrosion protection.
Mult purpose screw
Self-tapping is the ability of a screw to advance when turned, while creating its own mating thread.
Countersinking head
Starhead recess so no stripping occurs.
W-Cut thread design cuts through any fibrous material with ease and reduces the amount of torque required to install the screw.