Specifications of Cross Hole Types Cross Hole Types Type AY: Orthogonal Cross Hole - Outer Diameter (Cross Hole < Outer Diameter) XZY Machine Axis Type BY: Orthogonal Cross Hole - Inner Diameter (Cross Hole ≦ Main Bore) XZY Machine Axis Type CY: Flat Surface Hole XZY Machine Axis Type GY and HY: Slotted Hole Parallel with Main Bore Axis - Outer/Inner Diameter XZY Machine Axis Type IY and JY: Slotted Hole Perpendicular with Main Bore Axis - Outer/Inner Diameter XZY Machine Axis Type KY: Orthogonal Cross Hole - Inner Diameter (Cross Hole> Main Bore) XZY Machine Axis Type LY: Broken Cross Hole - Inner Diameter (Cross Hole ≦ Main Bore) XZY Machine Axis Type MY: Broken Cross Hole - Inner Diameter (Cross Hole> Main Bore) XZY Machine Axis Type AC: Orthogonal Cross Hole - Outer Diameter (Cross Hole < Outer Diameter) XZC Machine Axis Type BC: Orthogonal Cross Hole - Inner Diameter (Cross Hole ≦ Main Bore) XZC Machine Axis Type CC: Main Bore XZC Machine Axis Type GC and HC: Slotted Hole Parallel with Main Bore Axis - Outer/Inner Diameter XZC Machine Axis Type KC: Orthogonal Cross Hole - Inner Diameter (Cross Hole> Main Bore) XZC Machine Axis Type PY Tapped Orthogonal Cross Hole (Cross Hole ≦ Main Bore) Type QY: Tapped Flat Surface Cross Hole Back Edge Type QC: Tapped Flat Surface Cross Hole Back Edge