SUMIDIA Small Diameter Boring Bars DABB Type SUMIDIA DABB-C Min. machinable diameter DMIN 5° DCON Stop & Through Boring and Back Chamfer 50° RE H LF ■ Holders Dimensions (mm) Grades Min. machining Diameter Height Length Nose radius Cat. No. diameter Applicable sleeves DA2200 DMIN DCON H LF RE DABB 025CR D 3.0 2.5 2.2 60 0.1 HBB 2516 DABB 035CR D 4.0 3.5 3.2 60 0.1 HBB 3516 DABB 045CR D 5.0 4.5 4.1 80 0.1 HBB 4516 DABB 060CR D 7.0 6.0 5.2 80 0.1 HBB 616 E DABB-N Min. machinable diameter DMIN 25° DCON Stop & Through Boring and Necking Boring Bars 25° RE H LF ■ Holders Dimensions (mm) Grades Min. machining Diameter Height Length Nose radius Cat. No. diameter Applicable sleeves DA2200 DMIN DCON H LF RE DABB 025NR D 3.0 2.5 2.2 60 0.1 HBB 2516 DABB 035NR D 4.0 3.5 3.2 60 0.1 HBB 3516 DABB 045NR D 5.0 4.5 4.1 80 0.1 HBB 4516 DABB 060NR D 7.0 6.0 5.2 80 0.1 HBB 616 DABB-B Min. machinable diameter DMIN DCON Back Turning RE H 10° LF ■ Holders Dimensions (mm) Grades Min. machining Diameter Height Length Nose radius Cat. No. diameter Applicable sleeves DA2200 DMIN DCON H LF RE DABB 045BR F 7.0 4.5 4.0 80 0.1 HBB 4516 DABB 060BR F 9.0 6.0 5.5 80 0.1 HBB 616 ■ Parts ■ Sleeves Dia. Cat. No. Stock DCON Set screw Wrench ø16 DCON (mm) HBB 2516 D 2.5 15 HBB 3516 D 3.5 BT 0404 TH 020 100 HBB 4516 D 4.5 HBB 616 D 6.0 E80 ▲ mark: To be replaced by new item (Please confirm stock availability)