Ø 0.5-50mm HSS High Speed Steel Round Rod Bar HRC 62 Shaft Axis Metal 150mm Long
This is real High Speed Steel (HSS) — not cheap tool steel. HRC61–67. Even at 600°C, it stays sharp. Surface is smooth, no cracks — ready to machine, no extra grinding needed. Drill, mill, or punch copper, aluminum, or soft steel like butter.