MILWAUKEE 48-66-3120 ALSO JACOBS K3 CHUCK KEY FOR PORTABLE DRILL CHUCKS. THIS WILL MAKE THE KEY SEEM NOT TO FIT OR THE PILOT ON YOUR CHUCK KEE MAY SEEM TO BE TOO BIG. FITS MILWAUKEE DRILLS WITH 5/8" CHUCKS AND THE FOLLOWING JACOBS: MODELS 14N 30221D, 3A 6223, 3KD 6228, 3PD 6230, 34-02 14442, 34-06 6295D, 34-33 14445, 3B-5/8 6232D AND THE OBSOLETE MODELS 6AE, 6A-24, 6A-33, 34, 3, 3AE, 6B-1/2-13, 6B-1/2-20, 6B1/2-24, 34B 5/8-16, 34B 3/4-16, 3B 5/8-11, 3B 5/8-16, 3B 45/64-16, 3B 3/4-16, 34PD.
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