NA 121
DIN Standards Committee Tools and Clamping Devices
DIN 20353 [CURRENT] references following documents:
| Document number | Edition | Title |
|---|---|---|
| DIN 20301 | 1999-01 | Rock drilling operations - Terminology, units, and symbols for use in formulae More |
| DIN 20302 | 1974-02 | Rock drilling equipment; terminology More |
| DIN ISO 2768-1 | 1991-06 | General tolerances; tolerances for linear and angular dimensions without individual tolerance indications; identical with ISO 2768-1:1989 More |
| ISO 10208 | 1991-02 | Rock drilling equipment; left-hand rope threads More |
