Drill sharpening gauge

Details Drill sharpening gauge Drill sharpening gauge

1979-02-05

1980-08-05

Little, Willis

Geometrical instruments

Gauge

Tool

33174F, G01B 520

Patent

active

042154839

ABSTRACT:
This invention relates to a drill sharpening gauge which can be positioned close to an abrasive motor-driven wheel so that the operator can quickly check the length of the edges of the drill bit at the tip of the drill to insure that both cutting edges are the same length, and thus the angles are equal.

REFERENCES:
patent: 3482325 (1969-12-01), Mitchell

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