Sandvik Boring Bar Holder/Adapter 4mm Bore Dia, 1/2 Body Dia, 70mm Body Len

Sandvik Coromant 4mm Bore Diam, 1/2" Body Diam x 70mm Body Length, Boring Bar Holder & Adapter 2.86" Screw Thread Lock, 14mm Bore Depth, Internal Coolant.

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