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For sale is a Cushman C750BB 1/8-3/4 Drill Chuck JT4 Ball Bearing w/ Key Japan. Keyed drill chuck by Cushman, model C750BB. Marked CAP 1/8?3/4 in (3?19 mm). Back mount is JT4 (Jacobs Taper 4). Made in Japan. Ball bearing type. Includes the chuck key and a tapered arbor installed. Condition: used with visible wear, staining, and surface rust from normal shop use. Knurled ring and markings are readable. Jaws and gears appear intact. Operation not tested. Arbor: tapered with tang-style machine end. Size of the machine taper is unknown; it appears to be a Morse taper, but this is an assumption. Great for drill press or milling machine use. Ships as shown with chuck, arbor, and key only.
