only a few people know the secret technique of sharpening dull drill bits

only a few people know the secret technique of sharpening dull drill bits
#diy
#weldingtipsandtricks
#viralvideo
#fyp

[@6150RE]

not a smart thing to do, this disk is for cutting
using it in this way can cause it to explode, it's not fun
a former colleague of mine has his whole face covered in scars from disc explosion