GRK Fasteners 100105 #9 X 3-1/8 in. Star Drive Bugle Head R4 Multi-Purpose Wood Screw - Pack of 240

GRKs R4 Self Countersinking screw has 6 self-contained cutting pockets which act like a router and transport the drill dust away from the edge of the screw hole. They also widen the countersink hole only around the head shape. The screw head top closes the hole exactly leaving no damaged fibers around the wider area of the head.For use in wood particle-board cement fiberboard plastic sheet metalSelf-tappingNo pre-drillingNo stripped headsCommon project applications: remodeling fencing storage cabinets framing.