Make your own hole saw?

so wierd it just might work... http://www.airfieldmodels.com/information_source/how_to_articles_for_model_builders/tools/razor_hole_saw/index.htm
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RayV wrote:

http://www.airfieldmodels.com/information_source/how_to_articles_for_model_builders/tools/razor_hole_saw/index.htm ********************************************************************************************************************************* I have been doing something similar to this with old cartridge brass for years. I had a lot of old brass cartridges left from reloading but in addition I have acquired various sizes of military brass. I use a triangle file to make teeth on the cartridges and then I chuck them up in my mini-mill and I have a nice way of cutting holes of varying sizes in a lot of materials. So far I have used these "saws" to cut holes in Leather, neporene shoe soles, wood blocks, various plastics etc. The cartridges can be refiled many times and since I have saws from the .17 caliber up to the brass from an old 8 inch howitzer that I have yet to find a need for in that large size.
Dennis
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