CNC Router Bits CNC Router Bits one flute straight bits changeable knives High carbon steel body with heattreatment Micro-grain carbide tips with changeable style Sand blast+Chrome coating surface treatment Cutting D from 8mm to 16mm Cutting L from 20mm to 50mm With ISO9001 and　ＥＮ８４７－１ certification LC101-08-20 8 20 8 20*1.1*4.1 LC101-10-30 10 30 8 30*1.1*5.5 LC101-12-30 12 30 8 30*1.1*5.5