Extension mandrel mounts bore polishers with a 1/4"-20 female thread onto a grinder that accepts a 1/4"-diameter shank 6" overall length for hard-to-reach applications Steel provides strength and extended tool life

The Merit EM-146 extension mandrel has a 6" overall length and securely mounts bore polishers with a 1/4"-20 female thread onto a grinder that accepts a 1/4"-diameter shank. It has a long length for hard-to-reach applications. The mandrel’s one-piece design is made of steel for strength and extended tool life. The mandrel has a threaded end that accepts the bore polisher, and it has a 1/4"-diameter shank that inserts into a grinder’s chuck. Merit Abrasives manufactures abrasives for the deburring and finishing industries. Merit, founded in 1945 and headquartered in Cleveland, OH, meets International Organization for Standardization (ISO) standards 9000 and 14001.