Internal and external chamfering cutter 
Diameter:Φ6mm-Φ11mm
90° up and down chamfer
Use SPMG insert to chamfer the back of the inner hole
The number of cutting edges is dense and the processing speed is fast
One knife can be used for many purposes, saving a lot of tool costs
Wide range of applications
*Forward chamfer
*Plane chamfer
*Internal chamfer
*orifice chamfer
*Inverted chamfering at the bottom of the hole
*U-shaped chamfer