4&6-Flute Corner Radius End Mills for Hardened Steels
0～-0.01 
±0.01
＊ 4-flute（D≧3）and 6-flute are lineup of length of cut expands 2D and 3D．
＊ MUGEN COATING PREMIUM Plus realizes long tool life even for hardened steel up to 70HRC．
＊ Improved machining accuracy with high rigidity multi-flute design．
＊ Shank diameter tolerance，high accuracy type，is – 0.001mm ～ – 0.003mm．
MHDSH445R ‧ MHDSH645R Leaflet▶️ Download
NS TOOL Global Cloud+ ▶️ https://www.ns-toolglobalcloud.com/