[Features] A roll tap for non-ferrous alloys. Suitable for non-ferrous alloys such as aluminum, magnesium, zinc, copper and its alloy. Accuracy: RH6; Nominal Size: M3.0; Pitch: 0.02 inches (0.50 mm); Thread Length: 0.7 inches (18 mm); Total Length: 1.8 inches (46 mm); Shank Diameter: 0.16 inches (4.0 mm); Shank Square Part: 0.12 inches (3.2 mm); Precision Indication: STD; Processing Screw; Processing Screw: Metric screws; Thread Country: 4 inches (3 mm); Country of Origin: Japan