THE ISCAR BHR MB50-50X100 IS AN ITS BORE MB50 ROUGH BORING HEAD WITH A PART NUMBER OF BHR MB50-50X100. IT FEATURES A RANGE OF 68MM-90MM, WITH A BODY DIAMETER OF 55 MM. THE CONNECTION DIAMETER MACHINE SIDE IS 50 MM. THE CUTTING DIAMETER RANGES FROM A MINIMUM OF 68 MM TO A MAXIMUM OF 90 MM, AND THE FUNCTIONAL LENGTH IS 100 MM. IT SUPPORTS INSERT HOLDERS FOR THE 68-90 RANGE, WITH A MAXIMUM ROTATIONAL SPEED (RPMX) OF 8000 RPM. THE ENTIRE PIECE INCLUDES A CAT 50 TAPER SHANK HOLDER, MEASURING 13 INCHES IN OVERALL LENGTH (OAL), 8-3/4 INCHES IN PROJECTION, AND 2-1/2 INCHES IN WIDTH. IT COMES WITH PART NUMBERS ETM: CATI – 50-MB50 (CAT 50 HOLDER), ETM: EX50X80-MB50 (EXTENSION TOOL), AND ISCAR ETM: IHSR50 68 90 (INSERT CARTRIDGE - 1).