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-Tipâ„¢ 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.
Climatekâ„¢ 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.