Lag Screw, 3/8 in, 5 in, Steel, Hot Dipped Galvanized Hex Hex Drive, 50 PK A lag screw is similar to a wood screw, but generally is much larger with a hexagonal head..
Sheet Metal Screw, #6 x 1-1/2 in, 18-8 Stainless Steel Flat Head Phillips Drive, 100 PK A sheet metal screw has sharp threads that cut into a material such as sheet metal, plastic, wood, hard rubber, aluminum, and other comparable compositions..