#10 x 3-1/2 in. Star Drive Bugle Round Head R4 Multipurpose Framing and Decking Screws (300-Pack)

GRKs R4 Multi-Purpose Framing 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.Recessed star drive allows for zero stripping with 6 points of contactCEE thread enlarges hole to reduce splittingLow torque, smoother driveNo pre-drilling allows faster penetrationFor use in wood, particle-board, cement fiberboard, plastic, sheet metalStar drive eliminates stripping for improved productivityZip-tip allows for no-pre-drilling and 1 step applicationCommon project applications: remodeling, fencing, storage, cabinets, framing