AFNOR - NF 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.
active, Most Current
| Organization: | AFNOR |
| Publication Date: | 1 April 1990 |
| Status: | active |
| Page Count: | 18 |
| ICS Code (Taps and threading dies): | 25.100.50 |
Document History
NF EN 22857
April 1, 1990
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.
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