Others D2 DCONWS BD BD BD2 ADJ BT-ER ER collet chuck holder with center alignment (BT) LF LB SS LB2 LB3 Diameteradjustment Angleadjustment D2 0.05 mm 1°CSI CRKS Designation SS CSI Range LF LB LB2 LB3 BD BD2 BD3 CRKS ADJBT40D70ER32 40 ER32 2-20 129.5 52.5 102.5 92 50 70 62.5 M16 ADJBT50D70ER32 50 ER32 2-20 144.5 52.5 106.5 - 50 70 - M24 • Applicable for 10 MPa coolant Option: Wrench for ER collet TUNGBORE-BT Adjustable drilling diameter holder (BT) LF SS LB CRKS J LSC Designation SS DCONWS BD LF LB LSC J CRKS TUNGBORE-BT50EM20ADB 50 20 72 134.5 96.5 71 M10 M24 TUNGBORE-BT50EM40ADB 50 40 72 134.5 96.5 71 M10 M24 • Applicable for 10 MPa coolant • Coolant through spindle and flange Reference pages ER collet Nut Wrench Preset screw Pull stud K125 K151 K152 K153 K148 K104 www.tungaloy.com