Criterion NMTB40 Boring Head Taper Shank 1-1/2 - 18 Threaded Mount, 1.04 Projection. The item "Criterion NMTB40 Boring Head Taper Shank 1-1/2 18 Threaded Mount, 1.04 Pro" is in sale since Tuesday, June 20, 2017. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Toolholding\Adapters & Holders\Boring Head & Adapters". The seller is "mscindustrialsupplyco" and is located in Melville, New York. This item can be shipped to United States.