75mm Boring Head Set With R8 Shank 12pc Boring bars. Includes 12 pc 18mm Diameter Boring Bars.Boring bar lengths of 79mm to 165mm. The item "75mm Boring Head Set With R8 Shank 12pc Boring bars HarrysMachineShop" is in sale since Friday, December 3, 2021. This item is in the category "Business, Office & Industrial\CNC, Metalworking & Manufacturing\Metalworking Equipment\Machining Centers & Milling Machines". The seller is "harrysmachineshop" and is located in Leytonstone. This item can be shipped worldwide.