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Masonry Drill Bit

 

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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°

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.

Notes & Comments

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Information regarding Grindstones

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


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