#9 x 1-1/2 in. Star Drive Round Head R4 Multi-Purpose Framing and Decking Screws (820-Pack)
$23.73
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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. The R4 head design is so effective that it will not crack even the most brittle materials.For use in wood, particle-board, cement fiberboard, plastic, sheet metalSelf-tappingNo pre-drilling allows faster penetrationNo stripped headsCEE thread enlarges hole to reduce splittingCommon project applications: remodeling, fencing, storage, cabinets, framing
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