Aftermarket 40' Chisel Bit for Cable Tool Drilling

PENDING SALE - 40' Chisel Bit for Cable Tool Drilling - Used - 21-1/2" Wide X 40' Long - For drilling 22" Elevator Shafts, Irrigation Wells, and other Large Diameter Boreholes. - Appears to have 4" x 5' pin threads. - Presumably American manufactured with carbon and/or alloy steels, but unsure if this is Acme, Spang, Gill Rock Drill, Ideco, Trident, Rampp, O.W.S. Co., Keystone or maybe another historical tooling manufacturer. - If you require thread protector(s) on tool joint(s) add another $15. - Located in Mifflinburg, PA USA