GRK R4 305 Stainless Steel Screws provide superior corrosion resistance for high moisture environments. 305 Stainless Steel Screws are for applications that require superior corrosion resistance in exterior environments with high moisture content, such as docks, boardwalks, pools and hot tubs. These screws are also for use with cedar, redwood, and various wood species that have higher acid content.
Fast Bite Tip starts fast with less force than the competition, no pre-drilling
Stain resistant in specialty woods with a higher acid content such as Cedar or Redwood
For multi-purpose wood to wood framing
CEE Thread™ Enlarges hole to reduce splitting
305 Stainless steel for superior strength and corrosion resistance
W-Cut™: Low torque, faster drive
Recommended for applications more than one mile from the coast
Star Drive Recess zero stripping, with 6 points of contact
Underhead cutting teeth for flush seating