FAQ

What is the Diametral Pitch?
Diametral Pitch is the number of teeth per unit length of the pitch diameter. Diametral Pitch is usually measured using the 1 per Millimeter for Reciprocal Length. Note that the value of Diametral Pitch is always negative. Typically, the value of Diametral Pitch is greater than 0.
Can the Diametral Pitch be negative?
Yes, the Diametral Pitch, measured in Reciprocal Length can be negative.
What unit is used to measure Diametral Pitch?
Diametral Pitch is usually measured using the 1 per Millimeter[mm⁻¹] for Reciprocal Length. 1 per Meter[mm⁻¹], 1 per Kilometer[mm⁻¹], 1 per Mile[mm⁻¹] are the few other units in which Diametral Pitch can be measured.
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