ID : Metric TypeID : Metric TypeID : Metric Type Stock THREADING HOLDER HOLDER CROSS REFERENCE LIST OF INCH SHANK STANDARD Holder MICRO-MINI TWIN Type Order Number *1 CT Machine Makers RBH10189A a 0305RS-M4, 03RS-M4(B) Round Type Holder RBH10252A a 0407RS-M6, 04RS-M6(B) Citizen Precision Machinery Co., Ltd. &.625 inch RBH10315A a 0511RS-M8, 05RS-M8(B) NC lathes RBH10378A a 0611RS-M10, 06RS-M10(B) RBH19030N a 0305RS-M4, 03RS-M4(B) Round Type Holder&.750 inch RBH19040N a 0407RS-M6, 04RS-M6(B) Citizen Precision Machinery Co., Ltd.RBH19050Na0511RS-M8, 05RS-M8(B) RBH19060N a 0611RS-M10, 06RS-M10(B) RBH16189A a 0305RS-M4, 03RS-M4(B) Round Type Holder RBH16252A a 0407RS-M6, 04RS-M6(B) Citizen Precision Machinery Co., Ltd. &1.000 inch RBH16315A a 0511RS-M8, 05RS-M8(B) NC lathes RBH16378A a 0611RS-M10, 06RS-M10(B) *1 For holder details, refer to Boring Bar Note 1) Mitsubishi Materials obtained the Section page E034 ─ E038. makers' approval before entering their names in the list. G RECOMMENDED CUTTING CONDITIONS Work Material Cutting Speed (SFM) Recommended Tool Overhang (mm) P Carbon SteelAlloy Steel 100 ─ 260 Micro-Mini TwinCT Note 1) Wet cutting is recommended. M Stainless Steel 100 ─ 260 Note 2) Pay special attention to machining of small diameters K Cast Iron 100 ─ 260 at high revolutions as the N Non-Ferrous Metal 165─ 330 LU+ 2(mm) Holder feed rate cannot keep up withthe speed. G035