Premium Sub-Micrograin Solid Carbide Four Flute End Mills Platinum Drill Bit Tooling (1/8 and 3/16). For flattening a broken extractor in preparation for drilling. Designed with precision and durability in mind, this cutting-edge drill bit combines the strength of solid carbide construction with the unbeatable performance of a four-flute design. This Platinum End Mill Tooling will deliver unmatched results. Experience the difference for yourself and elevate your drilling game with ProMAXX Tool.