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About Keyway's
Your ultimate reference for dimensioning keyseats and keyways.
This App provides dimensions for parallel and Gib head keys, keyways and their fits as per the DIN/ISO and the ANSI standards. Whether for design purposes or for shafts and hubs machining, this App is useful to comply with standards.
What does this App provide further than similar Apps in the store?
- A complete guide that includes both metric and imperial standards.
- A minimalist design which keeps things easy and clear and improves readability.
A note to the user:
- It is safe to treat DIN6885 (German standard), ISO773 (International standard), UNI6604 (Italian standard) and JIS B 1301:1996 (Japanese standard) as interchangeable in most applications.
- All dimensions are given in mm for DIN/ISO and in inches for ANSI.
What's new in the latest
Last updated on Jan 12, 2026
Minor bug fixes and improvements. Install or update to the newest version to check it out!
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