3D preview of Brake Drum
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Interactive 3D model of Brake Drum

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Brake Drum

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Bounding box
240.1 × 240.0 × 70.1 mm
Engine
Precision B-rep
Parameters
9
Published
October 28, 2026

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The prompt

Drum brake drawing

Parameters

NameValueRange
Drum outer diameter240 mm120 – 400
Drum inner diameter220 mm100 – 380
Drum width70 mm20 – 150
Back plate thickness8 mm3 – 20
Hub bore diameter60 mm20 – 120
Bolt circle diameter100 mm50 – 180
Bolt hole diameter14 mm6 – 30
Bolt hole count53 – 10
Rim chamfer2 mm0 – 5

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.

Brake Drum - Free CAD Model (STEP, STL) | TextoCAD