Sharpening Handbook

Masonry Drill Bit

Masonry drill

Sharpen the insert so the point angle is as noted below.

No one wants a drill. What they want is a hole.

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General Guidelines
Point Angle	Clearance Angle	Notes
130°	0°	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. The Tormek DBS-22 Drill Bit Sharpening Attachment can be used to sharpen this drill.

General Guidelines

Point Angle

Clearance Angle

Notes

130°

0°

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.

Notes & Comments

Probably best to stay with the drill bit's geometry as supplied by the manufacturer.

Tormek Live Sharpening Class - Part 6 - Drill bit sharpening (YouTube video). 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 (YouTube video)
Tormek DBS-22 (YouTube video)
Tormek Drill Bit Sharpening Attachment (YouTube video)