#40 18T Chain Sprocket

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Bounding box: 79.6 × 79.0 × 7.2 mm
Engine: 3D Printing B-rep
Parameters: 12
Published: November 13, 2026

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#40, 18T

Parameters

Name	Value	Range
Number of teeth	18 mm	8 – 60
Chain pitch	12.7 mm	5 – 25.4
Roller diameter	7.92 mm	3 – 20
Plate thickness	7.2 mm	3 – 20
Tooth tip width	3.6 mm	1.5 – 10
Roller seat clearance	0.15 mm	0 – 0.5
Hub diameter	40 mm	16 – 120
Hub height	20 mm	8 – 80
Shaft bore diameter	12 mm	4 – 60
Hole diameter, 0 = disabled	8 mm	0 – 30
Number of holes	5 mm	0 – 12
Hole centre radius	26 mm	0 – 100

Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.

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