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: 7/16mm
- Pitch: 14mm
- Overall length: 70mm
- Shaft Diameter: 8mm
- Drive Square: 6.2mm
- Tapping Drill Size: 9.40mm