Hyjoy 1/4 to 2 Inch Step Drill Bit Spiral Grooved Double Fluted, Large M2 -Speed Steel Drill bits for Holes in Steel, Copper, Aluminum, Wood, Plas

M2 HSS: Cuts cleaner holes and much easier than average step bits. In composition, M2 contains 50% more carbon and 150% more molybdenum, both for improving durability. Our additional vacuum and nitride surface hardening processes the ' . [Continuous ]: Our Polished Steps and Size Indicators allow you to monitor target hole size during . No to pause midway through the task and verify. Conserves your time and effort. Easier, Faster, Cleaner: Thanks to our - CNC and multiple refined design over time, our design cuts precisely, swiftly, and cleanly, surpassing typical market options 【Applications】: Cuts holes in steel (with proper pressure), Hardened Metal, steel, Galvanized steel, Aluminum, Copper, Plastic, Wood, or any material of similar or lower hardness. Suitable for to 12ga / 2.7mm thickness in steel. [Multiple Hole Sizes]: No to purchase multiple kits. This bit includes 10 labeled sizes, allowing you to drill 10 distinct hole diameters, saving time and effort from switching bits. Labeled sizes: 1/4", 3/8", 19/32", 3/4", 1", 1-3/16", 1-3/8", 1-5/8", 1-3/4", 2".