How To Make a Countersink Bit

I needed a countersink bit to do some wood working and felt like making one myself from some crappy air hammer chisels.

It came out pretty good!

Chisel Bit Set: http://www.amazon.com/Campbell-Hausfeld-MP2875-Campbell-Hausfeld-Chisel/dp/B000BO6OOQ

Видео How To Make a Countersink Bit канала PatonHaus