Newport Fasteners 5/16-18 x 1 1/4 Flat Head Floorboard Thread Cutting Screws (100 pcs) Type F, (Star - Six Lobe Drive), Black Phosphate Finish, Countersunk, T-40 Drive (Carton: 100pcs) Alloy Steel
BSVI U-Turn - 5/16-18 x 2 1/4 inch Flat Head Floorboard Thread Cutting Screws, Type F, T40 Torx, Black Phosphate (10 Pack)