38-Tooth Module 0.5 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 0.5 involute spur gear, blueprint style, on white background
Teeth38
Module0.5 mm
Pressure angle20°
Pitch diameter19 mm
Outside diameter20 mm
Root diameter17.75 mm
Base diameter17.85 mm
Circular pitch1.57 mm
Addendum0.5 mm
Dedendum0.63 mm
Whole depth1.13 mm
Tooth thickness (at pitch circle)0.79 mm
Bore diameter (default)4.75 mm
Face width (default)3 mm
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Technical diagram of the 38-tooth module 0.5 gear tooth profile

Meshing

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38T · m0.3
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38T · m1
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38T · m2
Same 38 teeth, module 2

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