Yg typhoon Endmill 4 Flt 14mm Ema24140 14x14x32x75Work on 55 hrc YG-1 Typhoon / high-performance endmills work best when you match the series to your material hardness (HRC55hrc and job type—not every “Typhoon” style is for hard steel.May 3rd, 2026 12:17 AMShare this on :