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NA 121

DIN Standards Committee Tools and Clamping Devices

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Standards [CURRENT]

DIN EN 22857
Ground thread taps for ISO metric threads of tolerances 4H to 8H and 4G to 6G coarse and fine pitches; manufacturing tolerances on the threaded portion (ISO 2857:1973 incl. AMD 1:1984 and AMD 2:1986); german version EN 22857:1989

Title (German)

Geschliffene Gewindebohrer für metrische ISO-Gewinde mit Toleranzfeld von 4H bis 8H und 4G bis 6G für Regel- und Feingewinde; Fertigungstoleranzen des Gewindeteiles (ISO 2857:1973 mit AMD 1:1984 und AMD 2:1986); Deutsche Fassung EN 22857:1989

Document: references other documents

Document: referenced in other documents

Responsible national committee

NA 121-01-04 AA - Taps and dies  

Responsible european committee

CEN/BT - BT Technical Board  

Responsible international committee

ISO/TC 29/SC 9 - Tools with defined cutting edges, holding tools, cutting items, adaptive items and interfaces  

Edition 1990-07
Original language German
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