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12” High Speed Steel Aircraft Extension Drill, 135 Degree Split Point. Size: #21 Decimal: 0.1590
12” High Speed Steel Aircraft Extension Drill, Size:21, 135° Split Point Description
12” high speed steel aircraft extension drill, 135° split point. Manufactured to Aerospace Standard 907, aircraft extension drills, are ideal for drilling in mild steel where extra length for reach is required. The 135° split point is self-centering and reduces thrust.
| Size | #21 |
|---|---|
| Decimal | 0.159 |
| Equivalent Part Numbers | Wetmore: 4030-1590 |
12” high speed steel aircraft extension drill, 135° split point. Manufactured to Aerospace Standard 907, aircraft extension drills, are ideal for drilling in mild steel where extra length for reach is required. The 135° split point is self-centering and reduces thrust.
| Size | #21 |
|---|---|
| Decimal | 0.159 |
| Equivalent Part Numbers | Wetmore: 4030-1590 |











