Prime Line 9054850 Lag Screw Bolt, Hex Head, 1/4 in X 1 in, Zinc Plated Steel, Pack of 100

Size: 1/4 inch X 1 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, Manufacturer: Prime-Line