Answer
Jan 30, 2025 - 09:14 AM
For a 1/2 inch bulkhead fitting, you typically need to drill a hole slightly larger than the nominal size of the fitting to accommodate the threads and ensure a proper seal. Generally, a hole size of around 1 1/8 inches to 1 1/4 inches in diameter is recommended, but it's important to check the manufacturer's specifications for the exact size required for your specific fitting model.
