BT30‑ER32‑70 Milling Collet Chuck High Accuracy CNC Toolholder Milling Lathe

--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n\nFeature: \n 1. Selected high\u2011quality 20CrMnTi material, high hardness, wear resistance.\n2. It is widely used for clamping milling cutters, drills, reamers and other cutting tools.\n3. Carburizing and quenching process to enable the handle to withstand a certain impact and load.\n4. Strong toughness, super clamping force, no looseness, no deformation.\n5. Exquisite craftsmanship brings a smooth surface and will not hurt your hand operation. \n\nSpecification: \n\nItem Type: CNC Toolholder\nMaterial: 20CrMnTi\nModel: BT30-ER32-70\nPurpose: CNC Machining\nToolholder Working Length: Approx. 70mm / 2.76in\nNut Diameter: Approx. 50mm / 1.97in\nSpindle Taper: 7/24\nRevolving Speed: 30000RPM\nBody Accuracy: 0.002-0.005mm\nCoaxiality: <0.005mm\nOverall Clamping Accuracy: 0.002-0.005mm\nHardness: 52-58HRC\n\nPackage List: \n 1 x Toolholder \n\nNote: \n 1. Please allow 0\u20111 inch error due to manual measuremen-