Prime Line 9056182 Hex Lag Screws, 3/8 in. X 2 in, Grade 18 8 Stainless Steel, 25 Pack

Size: 3/8 inch X 2 inch Heavy duty wood screw with 6 sided hex bolt head Features deep wood screw threads and does not accept a nut Used in applications where standard wood screws cannot support the load (deck building, etc.) Requires pilot hole to be drilled and installs using wrench or socket tool