Cutting Direction: Right-hand cutting for controlled material removal
ISO H5 tolerance for precise sizing: Bore diameter kept within -0 to +0
and areas that are difficult to access with shorter cutters
clear go/no-go readings to confirm holes conform to Unified thread standards and specifications
and re-lubricate the cutting edges as needed
OSG Carbide Drill 8XD - WD1 Coated - With Oil Hole Drilling - Through Coolant - 3.9mm Long Series Cutting Direction: Right-hand cutting forEngineered for precision drilling, the OSG Carbide Drill 8XD, WD1 coated and equipped with oil hole drilling and through coolant, is built to tackle deep hole tasks with confidence. Designed for machinists, engineers, and technicians, it delivers accurate holes, clean chips, and reliable performance across a range of materials. With a 3. 9 mm diameter, it is ideal for small to mid size holes where tight tolerances matter. An extended 8XD length