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: 8mm
- Pitch: 36mm
- Overall length: 45mm
- Shaft Diameter: 4.5mm
- Drive Square: 3.4mm
- Tapping Drill Size: 3.50mm