LIBRATON 3/16"-7/8" Step Drill Bit Four Spiral Flute Step Bits M35 Cobalt 1/4" Hex Shank Step Bits for Stainless Steel Metal

LIBRATON 3/16"-7/8" Step Drill Bit Four Spiral Flute Step Bits M35 Cobalt 1/4" Hex Shank Step Bits for Stainless Steel MetalAbout this item Handle Drilling Tasks with Ease: With four sharp cutting blades, LIBRATON's step drill bit set ensures swift, smooth drilling, effortlessly cutting through steel, aluminum, copper, and other tough materials like a hot knife through butter!Military-Grade M35 Cobalt Core: Our step drill bit for metal is of 5% cobalt alloy withstands 1,450°F heat - 3X lifespan vs normal HSS bits. Perfect for hardened steel, copper alloys, and carbon fiber composites.Multiple Step Sizes: The step drill sizes including 3/16 1/4 5/16 3/8 7/16 1/2 9/16 5/8 11/16 3/4 13/16 7/8. The step drill bit includes a storage holder, easy to store and carry. Quick Release & Tapered Edge Design: The 1/4" hex shank and quick-release slot ensure secure connections and easy changes. The four-spiral flute design effectively evacuates chips from the hole, reducing the likelihood of clogging and improving drilling efficiency.Easy Organization & Identification: Our step drill bits for metal come with a handy storage case, ensuring effortless organization and portability for all your drilling tasks. Clear size markings on each bit allow for quick identification.