42-Tooth Module 1 Spur Gear

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

3D render of a 42-tooth module 1 involute spur gear, blueprint style, on white background
Teeth42
Module1 mm
Pressure angle20°
Pitch diameter42 mm
Outside diameter44 mm
Root diameter39.5 mm
Base diameter39.47 mm
Circular pitch3.14 mm
Addendum1 mm
Dedendum1.25 mm
Whole depth2.25 mm
Tooth thickness (at pitch circle)1.57 mm
Bore diameter (default)10.5 mm
Face width (default)6 mm
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Technical diagram of the 42-tooth module 1 gear tooth profile

Meshing

Related gears

40T · m1
Fewer teeth, same module
44T · m1
More teeth, same module
42T · m0.3
Same 42 teeth, module 0.3
42T · m0.5
Same 42 teeth, module 0.5
42T · m2
Same 42 teeth, module 2

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