INTERMEDIATE taps have a lead of four threads and are used in most general purpose applications. Alpha Intermediate taps can be identified by the two rings on the shaft near the driving square.
- Diameter: 5/16mm
- Pitch: 18mm
- Overall length: 53mm
- Shaft Diameter: 6mm
- Drive Square: 4.9mm
- Tapping Drill Size: 6.60mm