GPtzlei 80mm Tungsten Carbide Hole Saw - TCT Drill Bit Set for Stainless Steel, Iron & Metal - 3-Cutter Design - Includes Pilot Drill & Storage Case

Long-Lasting Sharpness & Rust Resistance: Our triple-cutter design (outer, middle, inner) ensures clean, burr-free cuts and offers up to 10x longer lifespan compared to standard bi-metal hole saws. Premium Tungsten Carbide for Tough Materials: Made of TCT (tungsten carbide). Specifically engineered for demanding drilling in stainless steel (V2A/V4A), iron alloys, aluminum, brass, and hard plastics. Not suitable for concrete, tiles, or stone. High Efficiency & Cooling: The design facilitates efficient chip removal and reduces heat buildup. For optimal results and longevity when drilling stainless steel, we recommend using a cooling lubricant. Wide Compatibility & Safety: Compatible with drill presses, magnetic drill presses, cordless drills, and hand drills (at reduced speeds). Always wear safety goggles! The included hex key ensures a secure and tight fit. Complete Ready-to-Use Set: Includes: 1x hole saw, 2x pilot drill bits (for precision starting and as backups), 1x hex key, 1x shock-resistant plastic case for organized and protected storage.