fastcamo posted this "Those lines were introduced by Busse, they have corrugated flats on it. Its a series of narrow grooves, cut out below the center line, parallel to the edge, giving the blade structural strength and lightening it at the same time. It can help cut some materials and also have some materials stick to it."
It makes sense and reminds me of the lines on the Busse Jack Hammer only more and closer together.
Plus I like the way it looks.
I will agree with Fastcamo on this one. they are not milling line or a process to help hold the coating on although its a sound thought. <img src="/ubbthreads/images/graemlins/grin.gif" alt="" />
