H8304 Internal Threading Boring Bar - 12mm Shank, Right Hand   See larger image and other views  Your Price:** $29.95 Description These boring/threading tool holders have flats which, hold the tool in a negative position. Don’t worry, the inserts we carry have more than enough rake to move chips fast and efficiently! The insert pockets are cut for a tight fit and the 60° cutter profile is fully supported. See pages 641, and 643 of our 2008 Grizzly Catalog! See pages 7, and 8 of our 2008 Metalworking Catalog! See similar items in: > Home > Tooling > Boring Bars Final prices will include state sales tax for items shipped to WA, MO, or PA. Shipping charges for items not shipped via truck freight will be added according to our shipping rates.