Hillman Hex Washer Head Sheet Metal Screw, 14 x 3/4 are highly versatile tapping screws designed to securely attach materials such as metal, wood, fiberglass, and plastic. Featuring sharp threads that draw materials tightly together, these fully threaded screws provide a reliable and strong hold. Their sharp point ensures easy penetration and effective fastening for a variety of applications. Model Number: 14 x 3/4