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Key Type Chucks for Portable Tools:
Medium Duty

Designed for professional type portable drills, all moving parts are hardened for maximum tool life. All threaded models are drilled for reversing units.

Please Specify the Mount when ordering.

Model
Drill Cap., in.
Mount
Sleeve Dia., in.
Weight, oz.
412-B1 0-5/16 1JT Taper 1.18 4
420-B1 0-3/8 3/8-24 Threaded 1.42 8
420-B1 0-3/8 1/2-20 Threaded 1.42 8
422-B13 1/16-1/2 3/8-24 Threaded 1.65 13
422-B13 1/16-1/2 1/2-20 Threaded 1.65 13
422-B13 1/16-1/2 33JT Taper 1.65 13