Inner tube Type 55
Drilling range:Â 2.2129″ – 2.5590″ [56.21 – 65.00 mm]
Body diameter BD1: 1.5748″ [40.0 mm]
Body diameter BD2: 1.4960″ [38.0 mm]
Connection diameter workpiece side (DCONWS): 1.6929″ [43.0 mm]
Wall thickness: 0.0393″ [1.0 mm]
Please note!
The inner tube must be 1.1811″ [30 mm] longer than the outer tube.
Overall length (OAL):


