Plain Shaft DM
Single-diameter plain cylindrical shaft with chamfered ends.
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 11 variants.
| Code | Diameter (mm) | Length (mm) | Tolerance | Std |
|---|---|---|---|---|
| MILA-DM-03 | 3 | 20 | h7 | — |
| MILA-DM-04 | 4 | 25 | h7 · ⌀4: 0/−0.012 | — |
| MILA-DM-05 | 5 | 30 | h7 · ⌀5: 0/−0.012 | — |
| MILA-DM-06 | 6 | 35 | h7 · ⌀6: 0/−0.012 | — |
| MILA-DM-08 | 8 | 40 | h7 · ⌀8: 0/−0.015 | — |
| MILA-DM-10 | 10 | 50 | h7 · ⌀10: 0/−0.015 | — |
| MILA-DM-12 | 12 | 60 | h7 · ⌀12: 0/−0.018 | — |
| MILA-DM-14 | 14 | 70 | h7 · ⌀14: 0/−0.018 | — |
| MILA-DM-16 | 16 | 80 | h7 · ⌀16: 0/−0.018 | — |
| MILA-DM-18 | 18 | 90 | h7 · ⌀18: 0/−0.018 | — |
| MILA-DM-20 | 20 | 100 | h7 · ⌀20: 0/−0.021 | — |
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
Plain Shaft DM is a Shafts family precision-turned on a Goodway SW-20, covering 11 variants — diameters ⌀3–20 mm, lengths 20–100 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 MILA-DM-20 at 100 mm. The family is produced by turning alone. All of it is completed in a single setup, without the part leaving the machine.
The most slender variant is MILA-DM-03: 20 mm long at ⌀3 mm, a length-to-diameter ratio of 6.7. A part this slender needs tailstock support on a conventional lathe. On a sliding-head lathe the guide bushing holds the bar right next to the cutting edge, so the part is machined without a centre.
Variants are machined to h7 tolerance; the smallest is MILA-DM-03 (⌀3 mm) and the largest MILA-DM-20 (⌀20 mm). 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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