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Tag: car

Jacobs #100 Armature Chuck For Metal Lathe

by Lathe on Jul.04, 2009, under Lathe Videos

This is a very rare, special purpose, Jacobs Chuck. This is a #100 Jacobs chuck 1/4 to 3/4 its mounted with a #2 Morse taper to a #33jacobs taper arbor with brass/bronze jaws. This is a shaft centering chuck for turning generator and starter armatures that are not drilled for normal centers. The correct name for it is centerless armature turning chuck. Nice piece and not to common as only automotive shops bought them. It is used by having an armature locked in the large Jacobs drill chuck …

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