Carmex Internal Right Hand NPT Taper Pipe Thread Turning Insert 16 mm 14 TPI 16 IR 14 NPT BMA Insize GO Thread Ring Gauge M14X2 Series 4120 14 Applications: Internal Thread Turning for Best Carbide SG3M 9.5mm Double Cut Metric Carbide Burr Applications: Internal Thread Turning for ABUT 45° Thread Forms Aquaseal Aquadapt #3 Roof Pipe Flashing EPDM Black 40 90mm is expertly engineered to create a watertight seal around pipe penetrations on roofs The Carmex 16 IR 14 NPT BMA is a precision internal thread turning insert engineered for producing NPT (National Pipe Taper) 60° thread profiles with a 14 TPI pitch Carmex tools are trusted in demanding machining environments worldwide