Sandvik Coromant, E315M8, HSS CoroTap 400 Forming tap, Right Hand Cut, with Coolant (Pack of 1): Hand Threading Taps: Amazon.com: Industrial & Scientific
Sandvik Coromant, VNMG 331-QM 4315, T-Max P Insert for Turning, Carbide, Diamond 35°, Neutral Cut, 4315 Grade, Ti(C, N)+Al2O3+TiN, Inveio Coating Technology (Pack of 10): Amazon.com: Industrial & Scientific