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| Russian | English |
| Г-образный шестигранник | hex key (Hex keys, commonly known as Allen keys/wrenches in the UK and various other countries, are a very simple hand tool of the general spanner and socket family, used for tightening and loosening hexagonal bolts and other compatible fasteners Nanjena) |
| Т-образный вороток | T-BAR (Mus) |
| Фреза для обработки Т-образных пазов с коническим хвостовиком Морзе | T-slot cutter with Morse taper shank (ГОСТ Р 53004-2008 Sergei Aprelikov) |
| Фреза для обработки Т-образных пазов с цилиндрическим хвостовиком | T-slot cutter with parallel shank (Sergei Aprelikov) |