USER GUIDE ITS BORE Fine Boring Heads with Balancing Rings 2 µm Direct Diametric Adjustment BHF MB50-32x60 BL ø2.5-12 2 µm 60 36 1 Body 28 3 1 2 2 Tool Slide 6 21 12 3 Expanding Pin 24 12.5 4 Graduated Dial 0.002 330˚ 0 1˚ 2˚ 300˚ 5 Slide Locking Screw 6 Coolant Nozzle 50 270˚ 8 9 Boring Bar Locking 5 6 7 01 2 7 Screws 3 4 240˚ 0 1˚ 2˚ A-A 8 Balancing Rings 210˚ IHAXF 10-12/8 IHAXF 2.5-4/8 IHAXF 8-10/8 IHAXF 4-6/8 IHAXF 6-8/8 BHF MB50-32x60 BL Ø10-12 7 Ø2.5-4 Ø8-10 Ø6- 8 Ø4-6 8 4 5 2 s ! See page 481 BHF MB50-50x68 BL ø6-22 2 µm 68.5 8 63 1 Body 50 2 Tool Slide 50 42 3 Expanding Pin 35 6 8 3 1 28 4 Graduated Dial 0.002 21 Slide Locking 5 Screw 330˚ 0 1˚ 2˚ 6 Coolant Nozzle 300˚ 270˚ Boring Bar 50 8 9 7 Locking Screws 5 67 01 2 240˚ 0 1˚ 2˚ 3 4 8 Oiling Nipple 210˚ IHAXF 18-22/16 IHAXF 14-16/16 IHAXF 16-18/16 IHAXF 10-12/16 IHAXF 12-14/16 IHAXF 8-10/16 IHAXF 6-8/16 9 Balancing Rings Ø18-22 Ø10-12 Ø12-14 Ø14-16 Ø16-18 BHF MB50-50x68 BL Ø8-10 Ø6-8 9 4 5 2 7 s ! See page 481 427