KYOCERA End Mill, 2-Flute Multi-Use, Series: MEC, 25 mm Diameter Cutting, 160 mm Overall Length, 15.7 mm Maximum Depth of Cut, BDMT/BDGT Insert, 2 Inserts, Insert Compatibility: BDMT1704…ER-JT/BDMT1704…ER-JS/BDGT1704…FR-JA/BDMT1704…FR, 60 mm Head Length, 25 mm Shank Diameter, Cylindrical/Long Shank, Right Hand Cutting Direction, ANSI Code: MEC25S2516017, ISO Code: MEC25-S25-160-17, SB-4070TRN Insert Gage Screw, 90 deg Lead Angle, Through Coolant: Yes, Steel