Sharpen the insert so the point angle is as noted below.
|Point Angle||Clearance Angle||Notes|
||Grind the bit so that it has a 2-facet grind (the primary facet). No secondary facet is needed, and would probably weaken the bit's insert.|
Good videos showing the use of the Tormek DBS-22 Drill Bit Sharpening Attachment:
Tormek Live Sharpening Class - Part 6 - Drill bit sharpening
It's time for drill bit sharpening! Learn how to sharpen your drill bits with maximum precision, to the greatest sharpness. We will show you how to create a 4-facet point which gives the ideal cutting performance.
|Sharpen drill bits with Tormek Drill Bit Sharpening Attachment|
|Tormek Drill Bit Sharpening Attachment|
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