External Threading Tool – ISO12 (Din 282)
- Specifically designed for cutting threads on the outer surface of a workpiece.
- Available in right-hand and left-hand orientations to accommodate different thread directions.
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Used in various industries including manufacturing, automotive, and aerospace for creating precise threads in metal components.

| Cat No | Height 'h' (mm) | Width 'b' (mm) | Length 'L' (mm) | ||
|---|---|---|---|---|---|
| GBT-8145 | 6 | 6 | 80 | ||
| GBT-4146 | 8 | 8 | 80 | ||
| GBT-8147 | 10 | 6 | 90 | ||
| GBT-8148 | 12 | 8 | 100 | ||
| GBT-8149 | 16 | 10 | 110 | ||
| GBT-8150 | 20 | 12 | 125 | ||
| GBT-8151 | 25 | 16 | 140 |
| Cat No | GBT-8145, GBT-4146, GBT-8147, GBT-8148, GBT-8149, GBT-8150, GBT-8151 |
|---|---|
| Height 'h' (mm) | 6, 8, 10, 12, 16, 20, 25 |
| Width 'b' (mm) | 6, 8, 10, 12, 16 |
| Length 'L' (mm) | 80, 80, 90, 100, 110, 125, 140 |










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