Hex-Body Thread Adapter
Single-ended adapter with an external thread and internal thread on a hex wrench-flat body.
This is a dimension schematic, not a manufacturing drawing. Dimensions match the catalog data; request a quote with the part code to confirm before production.
Code & Size Table
Code, dimensions and tolerance for all 10 variants.
| Code | Diameter (mm) | Length (mm) | Feature | Tolerance | Std |
|---|---|---|---|---|---|
| SOMB-HDA-01 | 8.1 | 13 | M4 · SW7 · ⌀2.5 | 6g | M3 internal thread, AF7 |
| SOMB-HDA-02 | 9.2 | 16 | M5 · SW8 · ⌀3.3 | 6g | M4 internal thread, AF8 |
| SOMB-HDA-03 | 11.5 | 16 | M6 · SW10 · ⌀3.3 | 6g | M4 internal thread, AF10 |
| SOMB-HDA-04 | 11.5 | 19 | M6 · SW10 · ⌀4.2 | 6g | M5 internal thread, AF10 |
| SOMB-HDA-05 | 15 | 19 | M8 · SW13 · ⌀5 | 6g | M6 internal thread, AF13 |
| SOMB-HDA-06 | 15 | 22 | M8 · SW13 · ⌀4.2 | 6g | M5 internal thread, AF13 |
| SOMB-HDA-07 | 19.6 | 22 | M10 · SW17 · ⌀5 | 6g | M6 internal thread, AF17 |
| SOMB-HDA-08 | 19.6 | 25 | M10 · SW17 · ⌀6.8 | 6g | M8 internal thread, AF17 |
| SOMB-HDA-09 | 19.6 | 26 | M12 · SW17 · ⌀6.8 | 6g | M8 internal thread, AF17 |
| SOMB-HDA-10 | 19.6 | 29 | M12 · SW17 · ⌀8.5 | 6g | M10 internal thread, AF17 |
Prices are for approved members.
Material & Tolerance
The standard material is listed below; also available in steel, stainless, brass and aluminium. Dimensions in mm; tolerances machined to ISO. Deviations (mm) are given for the nominal diameter according to the ISO 286-2 tables; thread tolerances (6g/6H) are to ISO 965. For custom sizes/tolerances, contact us with the part code.
Manufacturing Scope
Hex-Body Thread Adapter is a Nuts & Adapters family precision-turned on a Goodway SW-20, covering 10 variants — diameters ⌀8.1–19.6 mm, lengths 13–29 mm, standard material Steel (also stainless steel, brass or aluminium). Every variant's part code, dimension and tolerance is listed below; request a quote with the code you need.
The family is machined from ⌀20 mm bar stock; its longest variant is SOMB-HDA-10 at 29 mm. Besides turning, the family requires thread turning (6 sizes from M4 to M12), hex flat milling (AF 7–17) and axial drilling (⌀2.5–8.5 mm). All of it is completed in a single setup, without the part leaving the machine.
The variant with the highest length-to-diameter ratio is SOMB-HDA-02: 16 mm long at ⌀9.2 mm, L/D 1.7. A short, rigid body: what governs the result here is not deflection but diameter tolerance and surface finish.
Variants are machined to 6g tolerance; the smallest is SOMB-HDA-01 (⌀8.1 mm) and the largest SOMB-HDA-10 (⌀19.6 mm). The family includes threaded, hex-drive, bored, multi-step variants. Custom sizes, tolerances or materials are produced to the part code on request.
Need a size that isn't listed? We machine to your drawing — CNC contract machining. How these parts are made: What is a Swiss-type lathe?
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