Short Drill Bits And Bits Smaller Than 1/8; Masonry Drill Bits - Drill Master 750X User Manual

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sharpen it.
Bits 1/2" or larger will need a minimum of 40 half turns. A
3/4" bit may require up to 60 half turns. It may take two
or three complete sharpenings (repeat all steps) to re-
sharpen a very dull or chipped large drill bit.
Your Drill Doctor is delivered with a 180-grit Diamond
Sharpening Wheel. If you regularly sharpen larger bits
between 1/2" and 3/4", you may wish to purchase the
coarser 100-grit Diamond Sharpening Wheel, which
sharpens larger bits faster.

Short Drill Bits and Bits Smaller than 1/8"

Set the point angle for 118°. Put the bit in the Chuck as
normal, but tighten Chuck so that it is just snug enough
for the bit to move freely. Push and hold the Alignment
Button. Partially insert the Chuck in the Alignment Port,
but do not push the Chuck all the way in. Use the Chuck
Knob to rotate the bit until it can be held by the Bit Clamp
Arms in the narrowest width of the bit. Make sure that the
bit is touching the Drill Stop, then release the Alignment
Button. Turn the Chuck until the Alignment Guide on the
Chuck aligns with the 118º notch on the Alignment Port.
Now, push the Chuck the rest of the way in. Tighten the
Chuck, remove, and tighten again.
Sharpen the small bit as usual.
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.
www.drilldoctor.com
Set the point
angle to 118°.
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