CMT 694.011.31 45 degrees Lock Miter Cutter Heads 5-1/2" B=1-1/4"The CMT 694. 011. 31 is a Cutter Head Shaper Bit. CMT shaper cutter heads for table shapers and CNC routers. Accepts CMT 695 series interchangeable profiled knives for versatile profile production. SPECIFICATIONS Diameter (D) 5 1 2" Bore Diameter (F) 31. 75mm Cutting Height (I) 1 1 8" Cutting Angle (A) 45 degrees Max RPM 5500~9500 Number of Teeth 2 Product Type Cutter Head Shaper Bit Shank 1 2 inch Blade Material Carbide Tipped (TCT) Rotation Right