PH Horn Boring Bar Insert Holder. The item "PH Horn Boring Grooving Threading Bar Insert Holder LBU18.0625.01 Carbide Shank" is in sale since Monday, September 2, 2019. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Toolholding\Indexable Inserts". The seller is "bratex_llc" and is located in Johnson City, New York. This item can be shipped worldwide.