Jacobs 41BA drill chuck with K30 key, mounted on an MT3 / Morse Taper #3 arbor. Keyed Drill Chuck, Medium Duty, Bearing Type Plain Bearing, Mounting Type 1/2-20, Key Number K30, Closed Length 2.50 In, Open Length 2.05 In, Chuck Diameter 1.43 In, Capacity Max. 0.375 In, Capacity Min. 0.04 In, Construction Steel
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Item# : SPM9283952829
Model # : 41BA