Long Slender Shaft IU
High length-to-diameter slender plain shaft for guide-bush machining.
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) | Tolerance | Std |
|---|---|---|---|---|
| MILA-IU-03 | 3 | 45 | h6 | — |
| MILA-IU-04 | 4 | 60 | h6 · ⌀4: 0/−0.008 | — |
| MILA-IU-05 | 5 | 75 | h6 · ⌀5: 0/−0.008 | — |
| MILA-IU-06 | 6 | 90 | h6 · ⌀6: 0/−0.008 | — |
| MILA-IU-07 | 7 | 105 | h6 · ⌀7: 0/−0.009 | — |
| MILA-IU-08 | 8 | 120 | h6 · ⌀8: 0/−0.009 | — |
| MILA-IU-09 | 9 | 130 | h6 · ⌀9: 0/−0.009 | — |
| MILA-IU-10 | 10 | 140 | h6 · ⌀10: 0/−0.009 | — |
| MILA-IU-11 | 11 | 145 | h6 · ⌀11: 0/−0.011 | — |
| MILA-IU-12 | 12 | 150 | h6 · ⌀12: 0/−0.011 | — |
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
Long Slender Shaft IU is a Shafts family precision-turned on a Goodway SW-20, covering 10 variants — diameters ⌀3–12 mm, lengths 45–150 mm, standard material Stainless Steel (also 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 ⌀12 mm bar stock; its longest variant is MILA-IU-12 at 150 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-IU-03: 45 mm long at ⌀3 mm, a length-to-diameter ratio of 15.0. This ratio is the very reason sliding-head lathes exist. The guide bushing supports the bar immediately beside the cutting point, so there is no deflection; the same part chatters and drifts in diameter on a conventional lathe.
Variants are machined to h6 tolerance; the smallest is MILA-IU-03 (⌀3 mm) and the largest MILA-IU-12 (⌀12 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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