Good used 4 boring head. 4" dia x 3"-4 tpi threaded mount. With shopmade adapter to 1 7/8 straight shank.
The item "FLYNN USA No. 45 BORING HEAD milling machine tool bore bar holder 3-4 tpi mount" is in sale since Wednesday, August 16, 2017. This item is in the category "Business & Industrial\Manufacturing & Metalworking\Metalworking Tooling\Toolholding\BT Holders". The seller is "xtrucker_99" and is located in Milroy, Indiana. This item can be shipped worldwide.