40Views2Replies

Author Options:

Best way to carve circles? Answered

I’m carving a walking stick into a snake I need to carve the scales of the snake (6mm) I have bought many attachments now but they don’t fit onto my dremel or drill I can only find bits that will make a complete hole which I don’t want Can anyone help?

Discussions

0
Jack A Lopez
Jack A Lopez

3 months ago

A "brad point" drill bit, also called, "lip and spur" drill bit, carves a tiny circle when it is just getting started. It also carves a small hole in the center of that circle.

https://en.wikipedia.org/wiki/Drill_bit#Lip_and_sp...

If you have ever seen a, "hole saw,"

https://en.wikipedia.org/wiki/Hole_saw

then you can picture the similarity in the way it cuts, compared to the "brad point" drill bit, just getting started. Both leave a circle shaped cut, with a hole in the center whose radius is much smaller than the radius of the circle shaped cut.

Also I have never seen a 6 mm (~1/4 inch) diameter hole saw. That would be positively tiny hole saw, compared to what I have seen. Typical hole saw diameters are measured in cm, or inches.

You might wonder at the necessity of having that resulting hole in the very center of the circle-shaped cut. Is it necessary? Well, kind of, sort of, if you can figure out a way to do it.

If you take away that central part of the drill bit or hole saw, then some other mechanism will be needed for to keep the cutting edges centered; i.e to keep the center of the spinning drill fixed in one place, with respect to the work piece.

0
Downunder35m
Downunder35m

3 months ago

Use a good knife instead or a fine wood chisel.