KidWash 2 : PVC Sprinkler Water Toy

Step 6 Drill holes

I found that a 5/32" hole was perfect for my mister jets, but check yours before drilling holes. The mister jets have threads and a taper that increases as they go in. The bit should leave a hole that allows the bottom to slide in easily, but engages the threads where they start. With the right combination you'll need to bear down to get the first threads to "bite", but after the first or second turn they'll cut their own threads into the pipe for a tight fit.