
L L1 BHR MB Rough Boring Heads for D1 SS d Diameter Range 18-200 mm IHSR IHCR IHPR IHBR IHSR BW A B C D ITS BORE Designation SS d min d max D 1 L L 1 I H (1) kg BHR MB16-16X34 MB16 18.0 22.0 16.00 34.00 - IH...18-22 0.06 BHR MB20-20X40 MB20 22.0 28.0 20.00 40.00 - IH...22-28 0.11 BHR MB25-25X50 MB25 28.0 38.0 25.00 50.00 - IH...28-38 0.18 BHR MB32-32X63 MB32 35.5 50.0 32.00 63.00 - IH...36-50 0.36 BHR MB40-40X80 MB40 50.0 68.0 40.00 80.00 - IH...50-68 0.22 BHR MB50-50X100 MB50 68.0 90.0 55.00 100.00 50.0 IH...68-90 1.49 BHR MB50-63X80 MB50 90.0 120.0 72.00 80.00 60.0 IH...90-120 1.50 BHR MB63-63X125 MB63 90.0 120.0 72.00 125.00 63.0 IH...90-120 3.09 BHR MB80-80X140 MB80 120.0 200.0 95.00 140.00 75.0 IH...120-800 5.38 • Verify that the weight of the entire tool assembly does not exceed the machine spindle's carrying capability. • For spare parts see page 816 (1) Insert holders For tools, see pages: CHA (760) • IHBR (764) • IHCR (763) • IHPR (763) • IHSR (763) • IHSR-BW (739) • IHSR-CH (764) Spare Parts Designation BHR MB16-16X34 BH NUT BHR MB16 PLT 16* SR M3X14 DIN912 SR M3X8 DIN913 BHR MB20-20X40 BH NUT BHR MB20 PLT 20* SR M4X15DIN912 BH M3X5UNI5923 BHR MB25-25X50 BH NUT BHR MB25 PLT 25* SR M4X20 DIN912 SR M3X8 DIN913 BHR MB32-32X63 BH NUT BHR MB32 PLT 32* SR M5X25DIN912 SR M4X12 UNI5923 BHR MB40-40X80 BH NUT BHR MB40 PLT 40* SR M6X30 DIN912 SR M5X14 DIN913 BHR MB50-63X80 BH NUT BHR MB50 PLT 50* SR M10X40DIN912 SR M5X12 DIN913 BHR MB63-63X125 BH NUT BHR MB63 PLT 63* SR M10X40DIN912 SR M6X16 DIN913 BHR MB80-80X140 BH NUT BHR MB80 PLT 80* SR M12X45DIN912 SR M8X25 DIN913 * (Optional, should be ordered separately) 45º dmax (a) dmin CHA 45° Chamfering Holders D1 Da L kg Designation d min d max Da D 1 L Insert CHA 16-45 18.0 28.0 16.00 28.00 13.00 DCMT 0702.. 0.06 SR 14-548 CHA 20-45 23.0 32.0 20.00 32.00 15.00 DCMT 0702.. 0.07 SR 14-548 CHA 25-45 28.0 43.0 25.00 43.00 18.00 DCMT 0702.. 0.12 SR 14-548 CHA 32-45 35.0 54.0 32.00 54.00 22.00 DCMT 0702.. 0.20 SR 14-548 CHA 40-45 46.0 72.0 40.00 72.00 30.00 DCMT 11T3.. 0.53 SR 16-236 P CHA 50-45 56.0 95.0 50.00 95.00 38.00 DCMT 11T3.. 1.13 SR 16-236 P CHA 63-45 75.0 125.0 63.00 125.00 46.00 DCMT 1504.. 2.45 SR 16-212 CHA 80-45 95.0 165.0 80.00 165.00 58.00 DCMT 1504.. 5.20 SR 16-212 • To minimize mismatch use insert radius 0.2 mm • (a) Only one insert can be mounted on either one of the two pockets. For inserts, see pages: • DCGT-AS (805) • DCMT-14 (804)• DCMT-PF (805) • DCMT/DCGT (805) • DCMT/DCGT-SM (804) For holders, see pages: BHR MB (760) 760 ISCAR