120 Degree Double-edged 6mmx32mm 3D V Shape Groove Router Bit CNC Engraving Review
http://tinyurl.com/lrt76so
120 Degree Double-edged 6mmx32mm 3D V Shape Groove Router Bit CNC Engraving
the bottom has no crumbs residual
Concentricity is very good, double-edged cutting design
With good milling, cutting performance
