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Spiral Flute - UNC.
HSS-EV3. Oxidised finish. 1066QS for blind holes.
Type 1066.
Manufactured from 3% vanadium super grade high speed steel. Increased vanadium produces toughness without adding brittleness. Greater resistance to work generated heat. Prolonged cutting edge life. Manufactured to ISO 529 : 1975.
BSP and BSPF also available.
| Class of Fit | 2B |
| Series | 1066-SFT |
| Material | HSS-EV3 |
| Thread Size | No.12 |
| Helix Angle | 40\u00b0 |
| Coolant Delivery | External |
| Finish/Coating | Steam Tempered |
| Dimensions Standard | ISO 529 |
| Teeth per Inch | 24 |
| Number of Flutes | 3 |
| Tap Type | Spiral Flute |
| Thread Standard | UNC |
| MFR Part No. | 22204684 |
| Thread Direction | Right Hnd |
| Lead | Plug |
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