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: 20mm
Pitch: 2.5mm
Overall length: 95mm
Shaft Diameter: 16mm
Drive Square: 12mm
Tapping Drill Size: 17.50mm
Weight (gr) 140.00