9
ACCESSORIES
WARNING
NEVER RUN BRUSHES
AT SPEEDS ABOVE 15,000 RPM. The
brush could eject bristles at high speed
which could become embedded in your
skin or which could cause other serious
injury.
Drill bits
High-speed steel drill bits are suitable
for most drilling applications in wood,
plastic, and thin metal. For ceramics,
drywall, or other specialized applica-
tions, you will need to purchase an
appropriate drill bit.
Cutting wheels
To prepare a cutting wheel for use,
remove the screw in the center of the
shank, mount the wheel, and replace
the screw.
Grinding stones
Use these stones for smoothing hard
materials such as wood, plastic, and
metal. Be sure not to allow the work
piece to overheat as this can cause
charring (wood), melting (plastic), or
discoloration (metal). Aluminum oxide
(red) accessories are best for wood,
metals, and plastics, while silicon
carbide (blue) accessories are best for
very hard surfaces such as glass.
Cutting bits: Use cutting bits for shap-
ing various materials. The smallest
cutting bits are suitable for use in
engraving.
Polishing wheels
These accessories are useful for
removing tarnish and weathering on
metal and for polishing plastics. They
require a special shank with a screw
tip. To prepare a polishing wheel,
screw the
felt onto the
shank tip.
Reverse
to remove.
Polishing
grease can
be used in
small quanti-
ties to aid
in polishing
metal. Lower
speeds are
best for these accessories.
Collets
Various sizes are used to accommodate
accessories with different-sized shanks.
Refer to the section on Collet Sizes for
instructions on changing the collet.
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