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EVS-EN 22857:1999

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

General information

Valid from 01.01.2000
Base Documents
ISO 2857:1973+A1:1984+A2:1986; EN 22857:1989
Directives or regulations
None

Standard history

Status
Date
Type
Name
01.01.2000
Main
Is valid for the short taps specified in ISO 529 as well as for any other kind of ground thread taps with the same diameters and pitches. The internal threads produced with those taps are conventionally designated by the simplified denomination of "nut" in agreement with the word used in ISO 965 for the general designation of all internal threads.

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