Knurled Gland Knob — M18 Ext / 5/8-18 UNF-2B Int

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Bounding box: 30.0 × 30.0 × 53.0 mm
Engine: Precision B-rep
Parameters: 14
Published: October 28, 2026

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The prompt

第一步：在XZ平面画旋转草图，中心轴为Z轴，画回转体轮廓：总高53mm，滚花段外径φ30，上端M18外螺纹，螺纹长度12mm，螺纹下方做O圈退刀槽，槽底φ16.2，槽宽2mm。旋转成实体。第二步：在零件底面中心，向内打盲内螺纹5/8-18 UNF，螺纹深度22mm，标准2B公差。第三步：在外圆柱面添加直纹滚花。第四步：材质设置6061铝合金，黑色阳极氧化。

Parameters

Name	Value	Range
Overall Height	53 mm	30 – 90
Knurled OD	30 mm	10 – 60
Knurl Tooth Depth	0.5 mm	0.1 – 1.5
Knurl Tooth Count	40	12 – 80
M18 External Major Ø	18 mm	6 – 30
External Thread Length	12 mm	4 – 30
M18 Pitch (ref)	2.5 mm	0.5 – 4
O-Ring Groove Ø	16.2 mm	6 – 26
O-Ring Groove Width	2 mm	0.5 – 5
5/8-18 UNF Major Ø	15.88 mm	6 – 30
5/8-18 UNF Pitch	1.41 mm	0.5 – 3
Internal Thread Depth	22 mm	5 – 45
Top Chamfer	0.8 mm	0 – 2
Internal Entry Chamfer	0.8 mm	0 – 2

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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