Valve seat 45°cutter head 1 1/2" diameter(38.1mm)to be used with 3/8" top pilots, specially engineered for the "new3Acut" 3 angle blades, this cutter head takes 5 blades (note: Neway serrated blades will fit cutter head and it can be used like a single angle cutter head), These cutters are to be driven by a powered machine when used with 3 angle profile blades,When used with our 3 angle blades the resultant profile will be 30°/45°/60°; when used with serrated blades, a "T" handle can be used to drive cutters, made tool steel hub, black oxide finish.
"Cam lock" holding screw, 1/2" drive, requires 5 blades, 1/2" long recommended.
The listing is for one cutter head, blades shown on pictures are not included,