Varvil instruction (20 min)
Hole Saw Bits
Belt Sander
Bell Installation
Chute Installation
The Hole Saw is a helpful tool for cutting large circles. Many of you have bells mounted within a wooden piece, like the example below. This circle (the arrows are pointing to this circle) is a challenging cut for the bandsaw. I recommend using a hole saw instead.
Here is the three hole saw parts
To assemble, screw the hole saw bit onto the Hole Saw Driver until it stops. Then unscrew the hole saw bit slightly until the pins on the hole saw driver align with the holes on the hole saw bit. Push the pins through the holes and it will look like the image on the right, below.
Now it is time to put in the centering bit:
Notice the flat head screw on the hole saw driver. This is called a “set screw.” This set screw is designed to pinch the flat spot on the centering bit. Be sure the flat sides are aligned with the set screw. Push the centering bit into the hole saw driver so that a little bit of it sticks out beyond the hole saw. Screw in the set screw so that it holds the centering bit in place.
You are now ready to use the hole saw as you would any other bit. The hand drills work for smaller hole saws, larger hole saws should only be used in the drill press.




