HHIP 25mm High Speed Steel T-Slot Cutter Rugged design with free cutting features. Tailored for the precise cutting of t-slots. Cutters have positive radial rake, right and left hand spiral with alternate side cutting teeth for maximum chip clearance. Optimized for use with milling machines to ensure accurate t-slot creation in metalwork. Bolt size is 14mm. 25mm cutter diameter. 11mm cutter width. 12mm neck diameter. 16mm shank diameter. 82mm overall length. 8 teeth.