3D preview of M12 Hex Bolt
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M12 Hex Bolt

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Bounding box
21.9 × 19.0 × 37.5 mm
Engine
Precision B-rep
Parameters
7
Published
October 21, 2026

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The prompt

Generate small Boult of 12mm

Parameters

NameValueRange
Nominal Diameter12 mm6 – 24
Shank Length30 mm10 – 100
Head Across Flats19 mm10 – 36
Head Height7.5 mm4 – 20
Head Chamfer1 mm0.1 – 2
Shank End Chamfer1 mm0.1 – 2
Under-Head Fillet1 mm0.1 – 3

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.

M12 Hex Bolt - Free CAD Model (STEP, STL) | TextoCAD