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                          1066QS
HSS EV3. Made from 3% vanadium super grade HSS. Increased vanadium produces toughness without adding brittleness. For blind holes. To ISO 529:1975
Size: 1/2" x 12 BSW.
                        
| Thread Size | 1/2in | 
| Thread Standard | BSW | 
| Series | 1066-QS | 
| Material | HSS-EV3 | 
| Teeth per Inch | 12 | 
| Tap Type | Spiral Flute | 
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