28-Tooth Module 2 Spur Gear

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

3D render of a 28-tooth module 2 involute spur gear, blueprint style, on white background
Teeth28
Module2 mm
Pressure angle20°
Pitch diameter56 mm
Outside diameter60 mm
Root diameter51 mm
Base diameter52.62 mm
Circular pitch6.28 mm
Addendum2 mm
Dedendum2.5 mm
Whole depth4.5 mm
Tooth thickness (at pitch circle)3.14 mm
Bore diameter (default)14 mm
Face width (default)12 mm
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Technical diagram of the 28-tooth module 2 gear tooth profile

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28T · m1
Same 28 teeth, module 1

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