HSS Orange Ring Taps: Spiral Flute - ISO Metric Coarse, Nitride & Oxide

Spiral Flute - ISO Metric Coarse
HSS-PM Nitride & Oxide Finish. For blind holes. Taper lead to DIN form C. This tap has the special chamfer lead of (3 x P). Tapping tolerance: spiral flute to 6H.

ISO Metric Coarse
Helix angle 40°. Tapping depth 2.5 x D.