Milwaukee 48-89-2837 21/64′ Thunderbolt® Black Oxide Drill Bit (6 PK)

The 21/64″ THUNDERBOLT® Black Oxide Drill Bit from Milwaukee Tool is engineered for keen performance and reliability in various drilling applications. Its black oxide coating not only enhances lubricity but also provides excellent corrosion resistance, ensuring that the bit maintains its effectiveness over time. With a thicker web design, this drill bit boasts extreme durability, allowing it to withstand rigorous use while extending its lifespan.