L 2 µm BHF MB-BL L5 d2H6 Fine Boring Heads with a Balancing 2° 0 1° Fine Boring Head Range 300° 330° 0.002 Mechanism and 2 Micrometer SS 270° 6 7 8 9 0 d 2 µm Direct Diametric Adjustment Direct Diametric Adjustment 5 4 3 2 1 2° 0 1° 240° d min 210° max IHAXF kg Designation d min d max d 2 SS d L L 5 ITS BORE BHF MB50-32X60 BL 2.5 12.0 8.00 MB50 32.00 60.00 3.00 0.795 BHF MB50-50X68 BL 6.0 22.0 16.00 MB50 50.00 68.50 4.00 1.123 • For boring options, see page 776 • For spare parts, see page 814 • For cutting conditions, see page 819 For tools, see pages: IHAXF (783) Balancing Weights W1 & W2 BHF MB50-32X60 BL and BHF MB50-50X68 BL, with the simple positioning of the two counterweights into the graduated groove. The table below displays all tools available for the working range of 2.5-22 mm diameters. Balance Correction for BHF MB50-32x60BL SKB 40-MB50 BTB 40 MB50 HSK 63 MB50 TOOLS Ø BORE W1 W2 W1 W2 W1 W2 2.5 66° 283° 54° 292° 60° 257° 3 76° 283° 56° 284° 8° 196° IHAXF 2.5-4/8 3.5 83° 360° 44° 246° 107° 261° 4 116° 285° 30° 224° 128° 264° 4 71° 293° 50° 294° 63° 262° 4.5 75° 287° 55° 287° 6° 194° IHAXF 4-6/8 5.5 4° 238° 44° 248° 129° 287° 5.5 126° 298° 32° 229° 129° 268° 6 123° 264° 145° 301° 136° 254° 6.6 2° 302° 45° 307° 68° 280° 6.5 75° 288° 56° 288° 78° 274° IHAXF 6-8/8 7.7 5° 280° 55° 280° 179° 351° 7.5 16° 199° 78° 295° 129° 284° 8 121° 292° 18° 214° 128° 275° 8 70° 295° 49° 297° 88° 300° 8.5 75° 280° 55° 281° 51° 245° IHAXF 8-10/8 9 67° 255° 49° 258° 160° 330° 9.5 131° 302° 19° 216° 112° 273° 10 119° 272° 167° 320° 129° 266° 10 65° 293° 46° 293° 56° 257° 10.5 66° 273° 29° 262° 182° 351° IHAXF 10-12/8 11 44° 234° 45° 255° 163° 317° 11.5 130° 295° 16° 214° 131° 270° 12 127° 275° 156° 312° 138° 259° 781