4" Inch (100 mm) Fly Cutter with HSS Bit Tool � MT3 Shank (M12 x 1.75 Drawbar)
MT3 shank with M12 x 1.75 drawbar thread for secure fit. The4" (100 mm) Fly Cutter is designed for precision facing and surfacing operations on milling machines and lathes. Includes durable high-speed steel (HSS) bit for precise cutting.