uxcell 1/2″-12 BSW Spiral Flute Thread Tap, Machine Threading Tap
Publisher: uxcell. Spiral flute design, upward chip removal. Right hand thread cutting, clear threads with no burrs, fast tapping with accuracy.2. M35 cobalt high-speed steel tool (5% Co) is with high hardness (up to around 67HRC) and toughness for wear resistance.