🔧 Drill Like a Pro with Lichamp's Ultimate Set! Crafted from M35 high-speed steel with 5% cobalt for extreme wear resistance. 135-degree split point tip ensures self-centering and prevents walking. Comes with a metal index case for easy access to all 29 drill bits. Perfect for heavy-duty drilling in hard metals like stainless steel and cast iron. Experience faster drilling with our unique 3X flute design. 4X Lifespan Material 29PCS Set 3X Flute Design The Lichamp 29PCS HSS Cobalt Drill Bits Set is engineered for professionals, featuring a unique 3X flute design for efficient chip clearance, made from durable M35 high-speed steel with 5% cobalt for maximum lifespan. This versatile set is ideal for drilling tough metals, ensuring precision and ease of use with a well-organized metal index case.