Countersink Drill 4.5-60mm Countersink Drill Bit 1 Flute/3 Flutes 90 Degree Deburring Chamfer Cutter for Steel Iron Aluminum Metal(1 Flute,45mm)

Name: Straight shank chamfering cutter (90°)Material: high-speed steel 6542Hardness: HRC62-64==========Origin : ChinaModel Number : 4.5-60mmDIY Supplies : MetalworkingMaterial : High Speed SteelType : Countersink Drill BitUse : Metal Drilling

• [Robust Construction]: Engineered with advanced cobalt steel and reinforced coatings to resist extreme heat and abrasion, maintaining cutting sharpness and integrity through prolonged use on tough materials.
• [Optimized Cutting Efficiency]: The five-flute design ensures exceptional stability during operation, significantly reducing vibration for smoother control while facilitating efficient chip removal for a cleaner finish.
• [Broad Material Compatibility]: Effectively drills clean, precise holes in a wide range of materials from hard metals like stainless steel and iron to wood, plywood, and plastics, offering remarkable versatility.
• [User-Centered Design]: Features a quick-change hex shank for effortless bit swapping without tools and laser-etched markings that remain legible over time, enhancing both convenience and precision.
• [Important Note]: For optimal performance on metal, pre-punch a pilot hole to guide the bit. Apply cutting oil during use and a light protective oil after use to prevent rust and maximize the tool's service life.