#8 x 1-3/4″ Flat Head Square Drive Floor Screws Steel Phosphate 500 Pcs

Floor Screws are phosphate coated and used for installing all sub flooring, plywood or underlayment where no pre-drilling is required. Special HI-FORM 1 High-Low threads provide a speedy yet positive holding power in all woods and prevent squeaks and warping. The square drive allows for a cling fit and bugle head for self-countersinking for a flush finish.