Drill Master XP User Manual page 60

You may have a specialty drill bit. Slow and Fast Spiral, Helix,
Turbo Flutes, and Raised Margin drill bits are considered specialty
bits. If you're are getting insufficient relief on specialty bit types,
try aligning all the way in the (+) setting on the alignment port.
This will help improve the sharpening on these types of bits.
4. Question:
What can I do about flat spots on the bit point between the Cut-
ting Edge and the Heel?
Answer:
The flat spots on a sharpened bit are the result of an incomplete
or paused half-turn of the Chuck in the Sharpening Port. To
correct, apply light, inward pressure and rotate the Chuck
smoothly while sharpening. Be sure to complete the half-turns.
5. Question:
Why is the drill point off center?
Answer:
If the tip of the drill bit appears to be sharpened off center, check
the following items:
• You may not have completed an even number of half-turns when
you sharpened and one face of the bit was ground more than
the other. Always use an even number of half-turns when you
sharpen.
• Make sure that there are no particles between the Chuck Jaws
and the drill bit that could hold it off center. Check the drill to
ensure it is straight and free of burrs.
• Make sure the bit is not loose in the Chuck.
• During the sharpening process be sure to keep the same pres-
sure on each half-turn.
6. Question:
Why is the Chisel Edge on my drill bit flat?
Answer:
During the alignment process the Bit Clamp Arms were gripping
the high points of the drill bit. Realign the drill bit making sure
that the Bit Clamp Arms are located in the narrowest section of
the bit.
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