1/4-20 x 2 1/2 Flat Head Floorboard Thread Cutting Screws, Type F, (Star - Six Lobe Drive), Black Phosphate Finish, Countersunk, T-30 Drive (Carton: ...
SPAX Wirox T-STAR Plus Flooring Screw 4.5 x 60mm
Spax Wood Flooring Screws - Peak Oak
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Torx Flat Head Self Tapping Floorboard Screws Type F 5/16"-18 x 2-1/2" QTY 250 | eBay