Previous Product Next Product Drill Bits AO Coupling, dia. 4.0, Length 197mm, Flute length 50mm Drill Bits AO Coupling, dia. 4.0, Length 197mm, Flute length 50mm SKU: 005-0210-041 Category: Drill bits AO coupling Related products Quick View Quick View Drill Bits AO Coupling, dia. 2.5, Length 180mm, Flute length 45mm Read more Quick View Quick View Drill Bits AO Coupling, dia. 2.5, Length 110mm, Flute length 50mm, TIN Read more Quick View Quick View Drill Bits AO Coupling, dia. 3.2, Length 145mm, Flute length 43mm Read more