R-8, MT-2-4, 1/2, 3/4, 1, 1-1/4 inch straight. The item "Steel Threaded Shanks For Boring Heads for mill or Jig bore" is in sale since Sunday, May 2, 2021. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Toolholding\Other Toolholding". The seller is "awesome_collection" and is located in DELHI, DELHI. This item can be shipped worldwide.