Aftermarket 8-1/2 OD x 57 L Specialty Star Cross D

- 8-1/2" Outside Diameter x 57" Length Specialty Star Cross Drill Bit for Cable Tool - Used - 8-1/2" OD x 57" L. specialty cable tool bit / star or cross drill bit. - 2 1/4" x 3 1/4" API thread. - 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