CHUCK ATTACHMENT, METALWORKING MACHINE. A DEVICE FOR HOLDING FERROUS
ITEMS WITHOUT THE USE OF CENTERS, JAWS,CLAMPS, ETC. HOLDING POWER IS
ACCOMPLISHED THROUGH A PERMANENT MAGNET OR AN ELECTROMAGNET. IT IS
DESIGNED FOR USE ON GRINDING AND POLISHING MACHINES, LATHES, MILLING
AND OTHER METALWORKING MACHINES.
