J2458.0-20 UNF Thread Mill Spiral Flute 10° Oil Feed

Thread milling cutter, for Unified National Fine thread ≥ UNF 7/16" with 20 TPI, dimensions according to DORMER standard with 4 flutes, 8mm cutting diameter and 8mm Weldon shank according to DIN 6535 HB, solid carbide with Alcrona Pro coating, through coolant holes and 10° helix angle for milling a maximum of 19mm long right or left hand internal thread in steel and cast steel, stainless steel, cast-iron, non-ferrous metals, titanium or titanium alloys, chilled cast-iron