HDB 6 DR BUSHING NUMBER 20
The HDB Bushings has a knurled shoulder for easy installation and removal. A flat is milled on the O.D. of the bushing where the toolholder or turret set screws clamp on the bushing. This series bushing is available in fractional decimal metric letter and number sizes for the 1/2 inch O.D. (HDB-2) 5/8 inch OD (HDB-5) and 3/4 inch OD (HDB-6) sizes. The 1inch OD (HDB-8) the 1-1/8 inch OD (HDB-9) the 1-1/4 inch OD or 32 mm OD (HDB-10) and the 1-1/2 inch OD or 40 mm OD (HDB-12) are available in fractional and metric sizes. The HDB-9 is available as a solid bushing with either a #2 or #3 female Morse taper.