A set of Wine Pegs Fixing hanger bolts (also known as lag screws) are a handy double ended bolt with a metric thread and timber screw. Perfect for Wine Cellar projects.
To install the hanger bolt:
1) Drill a pilot hole into the timber to guide the timber screw into place,
2) Install the hanger bolt using the double nut method or with a hanger bolt driver.
(Using a power drill will help)