Hardened & Ground Bushings
HD-Style
HD-Style bushings are hardened and precision ground inside and out. The hardness and resiliency manufactured into Hardinge
bushings make them the longest lasting and most accurate bushings in the industry. There are three bushing styles HDB, HDC, and HDZ.
HDB-Style Split Bushings
The HDB-Style Bushing has a knurled shoulder for easy installation and removal. A flat is milled on the OD of the bushing where the toolholder or turret set screws
vice on the bushing. This style bushing is available in fractional, decimal, metric, let-
ter, and number sizes for the
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2 " OD (HDB2),
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8 " OD (HDB5) and
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4 " OD (HDB6) sizes. The 1" OD (HDB8), 1
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8 " OD (HDB9), 1
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4 " / 32mm OD (HDB10) and 1
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2 " /40mm OD (HDB12) bushings are available in fractional and metric sizes. The HDB9 is also available as a solid bushing with either a #2 or #3 female Morse taper.
HDC-Style Slotted Solid Bushings
The HDC-Style Solid Bushing features either one or two longitudinal slots, depend-ing on the size of the bore. The slot allows the set screw from the tool holder to locate directly on the body of the tool. This style bushing is available in 1
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4 " / 32mm OD (HDC10) and 1
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2 " / 40mm OD (HDC12) with fractional or metric size bores. The HDC10 and HDC12 are also available with female Morse tapers.
HDZ-Style Slotted Solid Pre-Set Bushings
The HDZ-Style Solid Bushing features either one or two longitudinal slots, depend-ing on the size of the bore. The slot allows the set screws from the tool holder to locate directly on the body of the tool. The bushing has a flange with two set screws positioned 90 apart. The tool can be placed in the bushing and set to a specific dimension from the locating shoulder and locked in place. This style is available in 1
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4 " / 32mm OD (HDC10) and 1
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2 " / 40mm OD (HDC12) with fractional or metric size bores. 8