Identifying Correctly Sharpened Drill Bits - Drill Master 300 User Manual

Identifying Correctly-Sharpened Drill Bits
(and what to do with those that aren't!)
Correctly Sharpened
Chisel Point
Cutting Edge
Heel
Misaligned
The Chisel Edge is
ground flat.
Heel
Same Height
or Higher
Than the
Cutting Edge
Cutting Edge
Heel
it, then press the bit against a hard surface. Does the bit slide in
the Chuck? If so, clean the Chuck as described on Page 16.
www.DrillDoctor.com
The entire surface from the Cutting
Edge to the Heel will have a finely
ground surface without ridges or
indentations. The Heel will always be
lower than the Cutting Edge.
Cause
Bit Clamps did not grip drill bit at
narrowest point in the aligning process
(Page 6).
Solution
Realign the bit by carefully following
steps 1 through 10 on Pages 5 to 7.
Cause
Sharpening Port not functioning
properly.
Solution
The Sharpening Port is where you rotate
the Chuck when sharpening. Locate the
bump on the bottom of the Port and
press down on it. If the tube does not
spring back, please contact our
Technical Support group for assistance.
Cause
Dirty Chuck.
Solution
Insert a drill bit into the Chuck, tighten
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