Center Hole Boring Diameter: 0.250" Minimum / 1.875" Maximum. Outboard Hole Boring Diameter: 1.500" Minimum / 3.250" Maximum. Screw Adjustments: 0.001" & 0.00005".
Boring Head Thread: 1-1/2 - 18 TPI. Comes as shown in pictures. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Toolholding\Adapters & Holders\Boring Head & Adapters". The seller is "the_machinists_dream" and is located in this country: US. This item can be shipped worldwide.