High Precision 0.001 BT30 BT40 Knife Shank ER11 ER16 ER20 ER25 ER32 ER40 70 80 100L Tool Holder for CNC Machining Center Spindle

Product name: BT30/40- ER11 ER16 ER20 ER25 ER32 ER40 Tool holderOverall clamping accuracy: ≤ 0.002mmMaterial: High quality 20CrMnTi steelHardness: HRC56-60Matching lock holder: BT30 BT40 Made of 20CrMnTihe alloy steelCarburizing and quenching processThe surface hardness of the tool holder is high,Strong anti-fatigue and abrasion resistance Overall inspection of tool holderEnsure high accuracy and high qualityThe taper ratio of each tool post is 7:24,The outer taper conforms to the accuracy <AT3Rigid reinforcement, waterproof and rust proofMade of 4CR13 anti rust steel, no maintenance required, BBT tool holder adopts double-sided bonding spindle designLarge contact area and stronger rigidityHigh precision dynamic balancing accuracy 0.001Adopting the HAIMER dynamic balancing machine from Germany, the preset dynamic balance can reach G2.5 30000 RPM, and the dynamic balance design maintains an accuracy of 0.002mm at high speeds