Gearbox Output Shaft
Stepped-body gearbox output shaft with a hex or threaded torque-transfer end.
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 |
|---|---|---|---|---|---|
| MILB-GBX-01 | 8.1 | 37 | SW7 | h7 · ⌀8: 0/−0.015 | — |
| MILB-GBX-02 | 10 | 44 | SW8 | h7 · ⌀10: 0/−0.015 | — |
| MILB-GBX-03 | 11.5 | 50 | SW10 | h7 · ⌀10: 0/−0.015 | — |
| MILB-GBX-04 | 12 | 65 | SW10 | h7 | stepped + hex |
| MILB-GBX-06 | 12 | 63 | M10 | 6g | threaded outlet end |
| MILB-GBX-05 | 15 | 58 | SW13 | h7 · ⌀12: 0/−0.018 | — |
| MILB-GBX-07 | 15 | 65 | SW13 | h7 · ⌀14: 0/−0.018 | — |
| MILB-GBX-08 | 16 | 80 | SW13 | h7 | stepped + hex |
| MILB-GBX-10 | 18 | 77 | M12 | 6g | threaded outlet end |
| MILB-GBX-09 | 19.6 | 74 | SW17 | h7 · ⌀16: 0/−0.018 | — |
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
Gearbox Output Shaft is a Shafts family precision-turned on a Goodway SW-20, covering 10 variants — diameters ⌀8.1–19.6 mm, lengths 37–80 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 MILB-GBX-08 at 80 mm. Besides turning, the family requires thread turning (M10, M12) and hex flat milling (AF 7–17). 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 MILB-GBX-04: 65 mm long at ⌀12 mm, L/D 5.4. This ratio is achievable on a conventional lathe as well; the sliding-head advantage in series work is that the part never leaves the machine, so the size does not drift from variant to variant.
Variants are machined to h7, 6g tolerance classes; the smallest is MILB-GBX-01 (⌀8.1 mm) and the largest MILB-GBX-09 (⌀19.6 mm). The family includes threaded, hex-drive, 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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