Tool Holder Blanks / Boring Bar Blanks Size

Features • AT3 Class Taper Accuracy • Balanced to 15000 RPM at G6.3 & 25000 RPM at G2.5 • Carbon depth: 0.8mm +-0.2mm • Surface Roughness: Ra<0.005mm • Accuracy: 3 Micron or 0.0002” TIR or Better • Hardness: HRC 56-58