TAPER taps have a lead of eight threads and are used as a starting tap in difficult or high precision holes. Alpha Taper taps can be identified by the single ring on the shaft near the driving square.
- Diameter: 1mm
- Pitch: 8mm
- Overall length: 110mm
- Shaft Diameter: 18mm
- Drive Square: 14.5mm
- Tapping Drill Size: 22.25mm