BB Carbide Drilling Tool Machine CNC Spiral Flute External Cooling Reamer PRO for Aluminum Diameter 2.23-4.09 H7 reamer BL2060：Blue Nano-Coating

BL2060：Blue Nano-Coating

Versatile Application

钝化与精磨工艺：实现无毛刺刃口，延长使用寿命

Large Chip Removal Groove

no roll edge

BB Carbide Drilling Tool Machine CNC Spiral Flute External Cooling Reamer PRO for Aluminum Diameter 2.23-4.09 H7 reamer BL2060：Blue Nano-CoatingHole Making Tools Cemented Carbide Material Using micro grain Cemented Carbide Material, which has higher abrasion resistance and strength, reduces the frequency of tool changes, improves the machining efficiency of machine tools, and enhances work efficiency Heat ResistantGood at Withstanding 500C High HardnessHRC 55 Strong Wear ResistanceLow WearLong Service Life Precision Ground Cutting Edge Without Burrs The cutting edge is precision ground to