High precision drill chuck + QZ516/QZ4120 inner cone with MT2 connecting rod + QZ4125/QZ4132 inner cone with MT3 connecting rod + Knife iron
Product description： Characteristic:
+ Cast iron handwheel:
♦Fine grinding table and bottom plate;
♦The surface of the box body and the bottom piate of the worktable are finely machined, smooth and beautiful without p
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