Prime-Line 9055990 Hex Lag Screws, 5/16 inch X 6 inch, A307 Grade A Zinc Plated Steel, 25
- 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.