38-Tooth Module 0.3 Spur Gear

Standard 20° pressure-angle involute spur gear — free engineering reference, STL/DXF/SVG downloads, and a live customizer.

3D render of a 38-tooth module 0.3 involute spur gear, blueprint style, on white background
Teeth38
Module0.3 mm
Pressure angle20°
Pitch diameter11.4 mm
Outside diameter12 mm
Root diameter10.65 mm
Base diameter10.71 mm
Circular pitch0.94 mm
Addendum0.3 mm
Dedendum0.38 mm
Whole depth0.67 mm
Tooth thickness (at pitch circle)0.47 mm
Bore diameter (default)2.85 mm
Face width (default)3 mm
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Technical diagram of the 38-tooth module 0.3 gear tooth profile

Meshing

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38T · m0.5
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38T · m1
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38T · m2
Same 38 teeth, module 2

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