Metal Drill Bits for Hard Steel, Cobalt Drill Bit Cone Cutter Spiral Flute Hex Shank for Stainless Steel Cast Iron Copper Aluminum PVC

• [M35 Cobalt Superiority] Crafted from M35 cobalt high-speed steel with 5% cobalt content, this drill bit delivers exceptional hardness, outperforming standard HSS bits. It effectively drills through hardened steel, stainless steel, cast iron, copper, and aluminum with significantly reduced wear.
• [Precision Self-Centering Tip] The 118-degree split point design starts holes accurately without wandering, even on curved or uneven surfaces. This eliminates the need for pilot holes and ensures precise positioning on stainless steel pipes and cast iron fixtures.
• [Efficient Spiral Flute Design] The optimized spiral flute efficiently evacuates metal chips from materials like copper plates and aluminum sheets. This prevents clogging, reduces heat buildup, and delivers cleaner, burr-free holes in less time compared to conventional drills.
• [11 Sizes in 1 Bit] Replace 11 individual drill bits with this single step drill. Featuring 11 precise steps from 3mm to 13mm, it allows for effortless drilling and hole enlargement in stainless steel brackets, cast iron parts, copper busbars, and aluminum frames, saving significant time.
• [Universal Hex Shank] The 1/4-inch (6.35mm) hex shank provides a secure, non-slip grip in all standard drills, impact drivers, and drill presses. Ensures stable performance during high-speed operation on both hard and soft metals.

Product Information: Tackle diverse metalworking tasks with our M35 cobalt step drill bit. Its superior hardness handles stainless steel, cast iron, copper, and aluminum with ease. The self-centering tip and efficient flutes ensure precision and speed, while the 11-in-1 design eliminates tool changes. A versatile, time-saving solution for professionals and DIYers working with multiple metals and thicknesses. Features: 1. Perfect for electricians needing to create neat, sized holes in electrical panels, switch boxes, and copper grounding bars, ensuring professional results in commercial and residential installations. 2. Consolidates your drill bit collection by replacing an entire set of standard HSS bits for common sizes, saving storage space and simplifying tool selection for frequent metalworking projects. Specification: Material: Metal. Color: Copper. Quantity: 1 Pcs. Size: Reference Picture. Package Include: 1 Pcs Metal Drill Bits for Hard Steel