Cgg Schmidt's 3 knife corrugated back raised panel cutter is  designed to produce quality raised panels using corrugated back steel and or Carbide systems.  

We grind Knives for this style head in High Speed Steel and Bak Pak Carbide systems.

5-1/8" diameter 

Counter Clockwise Rotation Material fed face down cutter on bottom (we have the opposite direction QC601CC  if you prefer to run Material Face up on shaper with cutter on top of wood. 

uses corrugated back knife systems

3/4" Bore ( 1-1/4" available too)

Requires a medium to large shaper for best performance