Carmex Mill Thread Solid Carbide 1.5 ISO with internal coolant bore 24.8mm depth Insize Offset Feeler Gauge 0.005 0.02" Range Series 4609 16 Part Number: 15212 Size M30X3mm Part Number: 15212 It is an essential measuring solution for workshops and inspection environments that require accurate and repeatable external measurements on a wide variety of components allowing for improved chip evacuation and thermal control—ideal for threading in deeper blind holes or heat sensitive materials The Mill Thread Solid Carbide (MTB) is a high performance threadmill designed for general purpose threading across a wide range of materials