1-2-3 block en · NOUN
Meanings
- A tool used in machining fields, especially milling, to aid in setup. It is a block of steel that is precisely squared and parallel whose sides are 1, 2, and 3 inches long, respectively. May contain arranged holes. Similar, larger blocks are called 2-4-6 blocks.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| 1-2-3 blocks | Number=Plur | lexicographic |