OSG Carbide Drill 3XD - WD1 Coated Whistle Notch Shank With Oil Hole - Through Coolant - 6.6mm Tiny Tool Inserts smooth bore that meets ISO

smooth bore that meets ISO H5 tolerances

supporting tight tolerances and high-quality finishes across machining operations

smooth finish in a variety of materials

enabling flexible workflows with reliable results

OSG Carbide Drill 3XD - WD1 Coated Whistle Notch Shank With Oil Hole - Through Coolant - 6.6mm Tiny Tool Inserts smooth bore that meets ISOThe OSG Carbide Drill 3XD with WD1 coating, whistle notch shank, and an oil hole for through coolant is a precision drilling tool crafted for professionals, engineers, and skilled hobbyists who demand reliable, repeatable holes across a variety of materials. With a 6. 6 mm diameter and a 3XD length to diameter ratio, it delivers versatile depth performance while maintaining rigidity and clean hole quality. The WD1 coating enhances wear resistance,