Central bore
Specify the mating requirement rather than only a nominal diameter.
Part example 04
Stepped sleeves
Three rings with central bores and stepped outer profiles. The bore, the flange and the seating face all have to line up.
Made to your drawingFrom 200 pcsBatch production
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What to specify on the drawing
Annular face
Identify whether this face locates or contacts an adjacent component.
Outer steps
Define the step lengths and any required groove or edge condition.
What decides the machining route
An accurate bore size does not by itself describe how the bore relates to the seating face or outside diameter. State those relationships where they affect assembly.
How we check it
Select bore measurement and face/diameter relationship checks from the drawing. Wall section and accessible surfaces affect the measurement setup.
See inspection evidenceSizes and quantities we make
We turn parts from 0.5–200 mm (0.02–7.87 in) OD and up to 300 mm (11.81 in) long, starting at 200 pieces. Our main focus is 1–100 mm (0.04–3.94 in) OD parts in runs of 2,000 pieces or more.
See how batch size affects priceThis photo shows a part we have made before. We don't sell it from stock: your drawing sets the size, material and finish, and we quote the part as drawn.
Have a similar part?
Send the drawing with the material, quantity and the features that matter most. We'll note that you came from this example.
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