Last Updated：2025/11/23

Dictionary quizzes to help you remember the meaning

Dictionary quizzes to help you remember the meaning

1-2-3 block

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Source Word

1-2-3 block

Noun

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.

Japanese Meaning

加工現場、特にフライス加工のセットアップ時に使用される工具。各辺がそれぞれ1インチ、2インチ、3インチの長さで、精密に直角に加工された鋼製のブロック（穴が配置されている場合もある）。

What is this buttons?

I used a 1-2-3 block to align the vise before milling the workpiece.

Google Translation / DeepL Translation

作業片をフライス加工する前に、バイスを整列させるために1インチ×2インチ×3インチの位置決め用ブロックを使った。

Sense（1）

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.

1-2-3 blocks

（ plural ）

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