Master balls are made of the finest grade tungsten carbide and are therefore highly resistant to corrosion, humidity and abrasion. Size and sphericity tolerances are held to 0.000010" and are certified to the National Institute of Standards and Testing. All Master Balls are widely used in gage and tool rooms, and in inspection and production departments engaged in close-tolerance measurements.

Applications include:

-Setting and checking external gages and comparators
-Checking flatness and parallelism of micrometer anvils
-Determining location of existing holes
-Measuring depth of drilled holes
-Checking internals tapers

These balls are available from stock individually or in sets, calibrated to inch or metric standards.
Unit of Measure

Warning

N/A Prop 65 Warning: This product may contain chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm.

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