International Standard
ISO 237:1975
Rotating tools with parallel shanks — Diameters of shanks and sizes of driving squares
Reference number
ISO 237:1975
ISO 237:1975
Edition 1
1975-02
1975-02
© ISO 2024
International Standard
p
ISO 237:1975
4127
Published
(Edition 1, 1975)
This standard was last reviewed and confirmed in 2018.
Therefore this version remains current.
Abstract
Applies to reamers, screwing taps, etc. It comprise two series of dimensions. The complete range of diameters is divided into a certain number of diameter steps. In the metric tables, the values of the across flats of the squares and the preferred diameters are scaled in accordance with the R20 series of preferred numbers. In the inch tables, these values are exact conversions of the corresponding metric values.
General information
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Status: PublishedPublication date: 1975-02Stage: Close of review [90.60]
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Edition: 1Number of pages: 5
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Technical Committee :ISO/TC 29/SC 9ICS :25.100.01
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