DIAMETER (OUTSIDE).
The overall diameter of the brush. For optimum efficiency and performance
always use the largest diameter brush practical.
ARBOR HOLE.
The inside diameter of the mounting hole in the brush. Various arbor hole
sizes are available to accommodate different drive shaft sizes.
TRIM LENGTH.
The length of fill material extending beyond the face plate or flange of the
brush. The longer trim length provides greater flexibility. The shorter trim
length provides a stiffer brush action.
FACE WIDTH.
The width of the brush face area. Wide face brushes cover a larger working
area. Narrow face wheels are used to brush restricted areas; they may also
be assembled in multiples to provide a wider brushing face.
BRUSHING SPEED & PRESSURE.
Brushes should be operated at the highest practical speed and lightest
pressure to assure longest brush life. The highest operating speed should be
determined by the application, but should not exceed the "MSFS"
for which the brush is rated. The brush should be operated with the lightest
pressure so only the tips come in contact with the work. The tips of the
wire do the work. Excessive pressure causes flexing of the wire resulting in
a wiping action rather than a cutting action.
BRUSH FILL MATERIALS
WIRE
High tensile oil tempered steel.
Provides a high fatigue-resisting quality, high wear resistance and a fast
cutting action.
Oil tempered steel.
Provides excellent cutting ability and great wear resistance qualities.
Untempered steel.
Provides a lighter brushing action for less severe brushing applications.
Stainless steel.
Highly resistant to corrosion which makes it ideal for applications where
contamination or after rust is a problem. Stainless steel retains its
characteristics at high temperatures.
Non-ferrous wire.
brass, bronze, beryllium copper, nickel, silver, and aluminum are available for
special brushing requirements.
WIRE FORM
Crimped: 
The crimp is a wave in the wire which provides a more continuous brushing action
for less severe brushing applications.
Straight:
 The straight wire is most commonly used in twisted-knot type
constructed brushes for the more severe applications where maximum impact
brushing action is required.
NATURAL MATERIALS
Horsehair, 100 % Bristle,
Chungking Bristle, and combinations of these materials are the most popular
natural fibers used in making brushes. These material are the finest
quality available and have excellent wearability.
VEGETABLE FIBERS
Tampico, bassine, palmyra and bass are
among the vegetable fibers available for brush filaments. Tampico is the most
common brush material used for deburring, scrubbing and washing applications.
Treated tampico is excellent for deburring and surface finishing when used with
burring and buffing compounds.
SYNTHETICS
A wide variety of synthetic filaments are
available. These synthetic fibers are resistant to most acid and alkali
solutions. They are available in both crimped and straight forms. Synthetic
filled brushes are commonly used for tough scrubbing and cleaning operations.
NYLON ABRASIVE FILAMENT
A nylon filament impregnated with aluminum oxide
or silicon carbide abrasive. Available in various grit sizes. Excellent for fine
deburring or special surface finishes.
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