Mitsubishi Materials USA Corp, 241023, Drilling Insert, JDMW Insert, 0.375 in Inscribed Circle, 0.156 in Thickness, 0.070 in Length, FT Chipbreaker, 0.0787 in Corner Radius, 15 deg Lead Angle, 0.375 in Diameter Hole, Manufacturer's Grade: VP30RT, ANSI Code: JDMW09T320ZDSR-FT VP30RT, ISO Code: JDMW09T320ZDSR-FT VP30RT, Carbide