DP has various meanings in the Spur category. Discover the full forms, definitions, and usage contexts of DP in Spur.
Ratio of the number of teeth on a gear to the number of inches of pitch diameter or the number of teeth to each inch of pitch diameter. Sometimes simply called “pitch”; the measure of tooth size, equal to the number of teeth divided by the pitch diameter. Mating gears have the same diametral pitch.
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