Amazon.com: U Drill Bit WC-Series 3D Depth 40.5-60mm CNC Lathe Fast Drilling Bit Indexable Machinery Drill for Carbide Insert WCMT06/08 (Color : Type-WC, Hole Diameter : C40-SD41-WC06) : Tools & Home Improvement
Solid carbide drill: optimum productivity and reliable performance
ISCAR Cutting Tools - Metal Working Tools - DCN R-5D : 3202635 - DCN 0551-275-063R-5D