GRK #9 x 3-1/8-in Double-barrier R4 Exterior Wood Screws (1900-Per Box) 105

GRK R4 Multi-Purpose Screw is a versatile fastener that delivers increased productivity for hundreds of applications. Its feature-rich design provides a fast and reliable connection every time. R4 Multi-Purpose Screws have a Climatek Coating for installation in both interior and exterior conditions where exposure to moisture is intermittent and is code-approved for use in treated lumber.R4 Multi Purpose screw can be used for interior and exterior applicationsFor use in wood, particle-board, cement fiberboard, plastic, sheet metalEnhanced design providing one-step installationW-cut low installation torque allows for fast driving and ease of installOptimized thread length improves clamping force for increased drawing powerPrecision fit between R4 multi-purpose screws and GRK bits increases precision and improves productivityCommon project applications: remodeling, fencing, storage, cabinets, framing