3D preview of Castle Nut (Castellated Hex Nut, M12)
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Castle Nut (Castellated Hex Nut, M12)

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Bounding box
21.9 × 19.0 × 15.0 mm
Engine
Precision B-rep
Parameters
8
Published
October 19, 2026

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Parameters

NameValueRange
Nominal Thread Dia.12 mm4 – 24
Thread Pitch1.75 mm0.5 – 3.5
Width Across Flats19 mm8 – 36
Nut Height15 mm6 – 30
Face Edge Chamfer1 mm0 – 2.5
Slot Count63 – 8
Slot Width3.5 mm1.5 – 8
Slot Depth6 mm2 – 14

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.

Castle Nut (Castellated Hex Nut, M12) - Free CAD Model (STEP, STL) | TextoCAD