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- #21 Diameter
- 12 in Overall Length
- HSS Material
- 135 degree Point Angle
- Spiral Flute Type
| Type | Drill Bit |
| Shank Size | 0.159 in |
| No. of Flutes | 2 |
| Drill Length Type | Aircraft Extension, 12" |
| Shank Size - Metric | 4.04 mm |
| Material | HSS |
| Point Angle | 135 degree |
| Style | 1805 |
| Diameter - Decimal | 0.159 in |
| Flute Length | 2.125 in |
| Size Type | Fractional |
| Shank Length | 9.875 in |
| Overall Length | 12 in |
| Diameter - Wire | #21 |
| Finish | Steam Oxide |
| Shank Length - Metric | 250.82 mm |
| Drill Style | Aircraft Extension |
| Flute Length - Metric | 53.97 mm |
| Coating | Steam Oxide |
| Shank Type | Straight |
| Drill Size | 21 |
| Weight | 0.2 LB |
