Carmex Hardcut Mini Mill Thread Solid Carbide 1.25 ISO 24mm depth Carmex Mill Thread Solid Carbide 1.0 ISO w internal coolant through 10.5mm Manual Use – Specifically designed Best Carbide SG3M 9.5mm Double Cut Metric Carbide Burr Manual Use – Specifically designed for controlled hand tapping in workshop settings and manufacturing where internal feature verification is critical The Mini Mill Thread HARDCUT (MTSH) is a high performance solid carbide threadmill engineered specifically for threading extremely hard materials up to 62 HRC —a global leader in high quality cutting tools—the MTSH HARDCUT threadmill is part of Carmex’s specialized range for machining hardened materials