HSS Drill Sharpening Cbn Grinding Wheel

How to Sharp High Speed Steel Drill?

To use cbn grinding wheels to sharpen HSS Materials Drills. The descriptions fo cbn grinding wheel:

Diameter: 78

Inner Diameter: 12.7

Thickness: 10

Core: Steel 

Abrasive: CBN (borazon Grinding Wheels)

Grit Size: 200#

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