A gyration balancing calibration fee high-speed boring tool, allowing fast replacement for boring bar bodies of different bore sizes, includes an adapter and a boring bar body; a micro-eccentric bore on the adapter to accommodates a pivoting shaft; a V-shaped ring groove being disposed on the pivoting shaft; both a securing hole and a positioning threaded hole being provided on the adapter, each provided with an eccentric positioning recess; a securing screw being disposed to a positioning pin and an elastic positioning screw for foolproof assembly; the boring bar body being tightly engaged with the adapter.

 
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< High-speed forming tap

> Drill with releasably mounted cutting head

~ 00478