Library › Hardware › Spur gears, involute 20°: module 0.5, 1 and 2, 12–60 teeth

module 1, 60 teeth, 20° PA, 6 mm face, Ø8 bore, hub with M3 set screw

Exact dimensions. True size, no printing tolerance added. Threads are plain cylinders at the major diameter.

STEP STL free, CC BY 4.0 (credit "Xem Studio")

Let your AI pull this. Add https://xemstudio.com/mcp to Claude, ChatGPT, Cursor or any MCP client (free, no account, one minute) and it can look up exact sizes, mating fits and free STEP/STL from every chat.

Set it up →

From the full sheet

Spur gears, involute 20°: module 0.5, 1 and 2, 12–60 teeth: every size, notes, mating features and sources. What is the outer diameter and centre distance for module 1 spur gears?

Other sizes

module 1, 12 teeth, 20° PA, 6 mm face, Ø3 bore
module 1, 15 teeth, 20° PA, 6 mm face, Ø3 bore, hub with M3 set screw
module 1, 16 teeth, 20° PA, 6 mm face, Ø4 bore, hub with M3 set screw
module 1, 20 teeth, 20° PA, 6 mm face, Ø5 bore, hub with M3 set screw
module 1, 24 teeth, 20° PA, 6 mm face, Ø5 bore, hub with M3 set screw
module 1, 30 teeth, 20° PA, 6 mm face, Ø5 bore, hub with M3 set screw
module 1, 36 teeth, 20° PA, 6 mm face, Ø6 bore, hub with M3 set screw
module 1, 40 teeth, 20° PA, 6 mm face, Ø6 bore, hub with M3 set screw
module 1, 48 teeth, 20° PA, 6 mm face, Ø8 bore, hub with M3 set screw
module 0.5, 16 teeth, 20° PA, 4 mm face, Ø2 bore, hub with M3 set screw
module 0.5, 20 teeth, 20° PA, 4 mm face, Ø2 bore, hub with M3 set screw
module 0.5, 24 teeth, 20° PA, 4 mm face, Ø3 bore, hub with M3 set screw
module 0.5, 30 teeth, 20° PA, 4 mm face, Ø3 bore, hub with M3 set screw
module 0.5, 40 teeth, 20° PA, 4 mm face, Ø3 bore, hub with M3 set screw
module 0.5, 60 teeth, 20° PA, 4 mm face, Ø4 bore, hub with M3 set screw
module 2, 12 teeth, 20° PA, 10 mm face, Ø5 bore
module 2, 15 teeth, 20° PA, 10 mm face, Ø6 bore, hub with M3 set screw
module 2, 20 teeth, 20° PA, 10 mm face, Ø8 bore, hub with M3 set screw
module 2, 30 teeth, 20° PA, 10 mm face, Ø8 bore, hub with M3 set screw
module 2, 40 teeth, 20° PA, 10 mm face, Ø10 bore, hub with M3 set screw