Aligning And Sharpening Masonry Drill Bits - DRILL DOCTOR 350X Guia Del Usuario

Large Drill Bits
Large drill bits (3/8" to 1/2") will require more half-turns
of the Chuck. A well-sharpened bit will have a smooth sur-
face from Cutting Edge to Heel. It may take two or three
complete sharpenings (repeat all steps) to re-sharpen a
very dull or chipped large drill bit. A 1/2" bit will need a
minimum of 20 half-turns.
Short Drill Bits
The new Chuck design on the 350X enables you to sharp-
en short bits as easily as longer ones. Simply align the bit
in the Chuck as normal. Then sharpen the bit using very
light pressure and fewer half-turns. The bit should only
briefly contact the Sharpening Wheel. Note that it is OK
for the Chuck Fingers to come into contact with the
Sharpening Wheel. This will not damage the Chuck.
Aligning and Sharpening
Masonry Drill Bits
To sharpen a masonry bit, you do not turn the Chuck.
Instead you insert the Chuck until it touches the wheel,
remove, and repeat on the other side.
1.
Alignment Finger
12
Chuck the masonry bit.
Insert your masonry bit in the
Chuck in the same manner as
other bits, but in this case,
make sure the carbide insert is
touching the end of the Align-
ment Fingers as shown.
www.drilldoctor.com
Carbide
Insert