Solid Carbide End Mills Technical Information „Recommended Adaptors per End Mill Platform Recommended Adaptors SCEM Platform First Choice Alternate Choice VariMill I™ HydroForce™ Shrink Fit VariMill II™/VariMill II™ ER HydroForce Shrink Fit VariMill III™ ER HydroForce Shrink Fit VariMill II™ Long HydroForce Shrink Fit High-Performance Finishers HydroForce Shrink Fit High-Performance Roughers HydroForce Weldon Adaptor AluSurf™/Arcut™/Aluminium Tools HydroForce Shrink Fit VisionPlus™/VisionPlus X-Feed™ HydroForce Shrink Fit VariMill GP Shrink Fit Weldon Adaptor HSS/WavCut™ Weldon Adaptor — „Select Adaptor per Technical Data/Characteristics Toolholders HydroForce Milling ER Weldon® Technical data/characteristics high torque Shrink Fit chuck collet chuck adaptor torque transmission      radial runout (T.I.R.)1      radial rigidity2      tool length adjustment      tool shank tolerance requirement      through coolant      minimum quantity lubrication (MQL)      dampening capability      shank diameter range3      cost of toolholder      low requirement of external devices4      ease of handling      dust resistance      high-speed capability      balancing accuracy      1 Radial runout may affect tool life. 2 Radial rigidity for Weldon holder is low at a direction perpendicular to the screw. 3 Accepts different shank diameters through the use of reduction sleeves or due to collapse range. 4 Collet chucks and milling chucks may require the use of a torque or special wrench; Shrink Fit adaptor requires a shrinking unit. widia.com N5