Machining glossary
What is Tolerance?
The permissible variation from a nominal dimension, for example Ø20 ±0.01 mm means any size from 19.99 to 20.01 mm is acceptable.
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Definition
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Why it matters when buying machined parts
Tighter tolerances raise cost, so specify them only on functional features such as bearing seats and sealing diameters.
At Precision Machining India we apply this daily in our ISO 9001:2015 certified plant in Pune, India. Send us your drawing for a quote within 24 hours.
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Frequently asked questions
Get a quote in 24hWhat is Tolerance?
The permissible variation from a nominal dimension, for example Ø20 ±0.01 mm means any size from 19.99 to 20.01 mm is acceptable.
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Everything below is machined in the same Pune plant to the same ISO 9001:2015 system. Follow whichever is closest to the part you are sourcing.
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Upload STEP, IGES or PDF files. NDA available on request. Quoting: Tolerance.