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Single-Step Shaft

Two-diameter single-step shaft with a shouldered transition.

Manufacturing Scope

Single-Step Shaft is a Shafts family precision-turned on a Goodway SW-20, covering 10 variants — diameters ⌀6–20 mm, lengths 35–115 mm, standard material Steel (also steel, stainless, brass or aluminium). Every variant's part code, dimension and tolerance is listed below; request an instant quote with the code you need.

The family is machined from ⌀20 mm bar stock; its longest variant is MILA-KM-17 at 115 mm. The family is produced by turning alone. 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 MILA-KM-04: 35 mm long at ⌀6 mm, L/D 5.8. 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 tolerance; the smallest is MILA-KM-04 (⌀6 mm) and the largest MILA-KM-17 (⌀20 mm). The family includes multi-step variants. Custom sizes, tolerances or materials are produced to the part code on request.

Dimension SchematicMILA-KM-12 — representative variant of this family
Ayyildiz RoboticsDimension Schematic⌀15 h7⌀12⌀15354075⌀15Dimensions in mmCODEMILA-KM-12MATERIALSteelSIZE⌀15 × 75TOLERANCEh7

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.

Download drawing (PNG)

Code & Size Table

Code, dimensions and tolerance for all 10 variants.

CodeDia ⌀LengthFeatureToleranceStdUnit price
MILA-KM-04635 mm2 stepsh738.91 ₺
MILA-KM-05840 mm2 stepsh746.54 ₺
MILA-KM-06945 mm2 stepsh750.35 ₺
MILA-KM-081155 mm2 stepsh758.62 ₺
MILA-KM-101365 mm2 stepsh767.60 ₺
MILA-KM-121575 mm2 stepsh777.42 ₺
MILA-KM-141785 mm2 stepsh788.20 ₺
MILA-KM-151895 mm2 stepsh797.89 ₺
MILA-KM-1619105 mm2 stepsh7108.06 ₺
MILA-KM-1720115 mm2 stepsh7118.75 ₺

Steel · for 100 pcs · estimated unit price, valid 7 days · excl. VAT · Contact us for a firm quote.

Material & Tolerance

The standard material is listed below; also available in steel, stainless, brass and aluminium. Dimensions in mm; tolerances machined to ISO. For custom sizes/tolerances, contact us with the part code.

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