These are directions for how to build a simple Carbide Deburring Knife...
I did this build at The TechShop
in San Jose California...
Step 1: Materials...
Ok we are going to need, 6inch length of 1/4 alluminum rod,
1/8 inch carbide shank ( I used a
broken .125 endmill), .120 inch drill, .124 inch reamer,
Grinder capable of grinding carbide