Monster Tap 1/4" NPT Bright Steel from Power Tank. This is a high quality bright steel 1/4" NPT tap for tapping the mounting hole for your Monster Valves. This is a tap that you'll probably use for a lifetime. Cuts through steel and aluminum. The hole size to drill for this tap is 7/16".
Note: This is a tapered thread tap. As such, you do not need to use the entire length of the tap when installing monster valves. Refer to the Monster Valve installation instructions to determine how far you need to tap.
- Bright steel.
- Sold as each.