#DIY #sharpening #invention #creativeinvention #CreativeInventionsdiy #creativeInvention #creativeidea #lifehacks #DIYideas #howtofix #howtomake #recyclingideas #knifesharpening #howtosharpenaknife #t ...
How to sharpen drill bits with a homemade tool for angle grinder ...
I've been thinking about buying one of these but I don't know if they are just a gimmick. Also, if they genuinely work well how good do your bits need to be in the first place to be worth sharpening?