Product Name: NT30 NT40 NT50 ER25 ER32 ER40 High Quality Tool holder
Product Precision: ≤0.005mm
Material: High Quality 42CrMnTi Steel
Hardness: HRC48~52
True roundness: 0.8 u
Carburizing depth: 0.8 u
Surface roughness: 0.8 u
Standard speed: ≤10000 RPM
Applicable machine: CNC/computer gong/high speed machine...
NT tool holder is ISO series tool holder,same products.
NT30 = ISO30
NT40 = ISO40
NT50 = ISO50






