The 6" 4-jaw chuck had a type A2-5 short taper mounting, but I needed it to fit an adapter I had made to the back of the 5" 3 jaw chuck I have.
TO do this all I needed to do was to make a 0.125" deep bore 3.875" in diameter into the back of the 4-jaw chuck then drill and thread the adapter to accept the mounting bolts.
bore completed
the adapter is a tap on fit
Drilling the adapter
Completed
Never try to tell me it can't be done
When I have to paint I use KBS products
mwmkravchenko (Feb 8, 2022), nova_robotics (Feb 3, 2022)
Few realize handy aspect of temporarily mounting a small chuck in a larger machine, especially an independent 4 jaw.
Sincerely,
Toolmaker51
...we'll learn more by wandering than searching...
mwmkravchenko (Feb 8, 2022)
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