These Grip Rite 1 5/8″ Philips Bugle-Head Coarse Thread Sharp Point Drywall Screws 1 LB are used when installing gypsum board to wood studs. They have a sharp point to pierce through drywall, and a coarse thread design to help grab into wood studs. Once the screw has been driven, the bugle head allows for quick and easy countersinking. Made of steel construction and is phosphate coated to make driving easier and to provide a good base for finishes such as paint. Don’t forget your moulding and installation supplies, for the best prices in the area. They are in stock at Builders Surplus in Louisville and Newport, KY which also serves Cincinnati, OH. *Price May Vary By Store Location.