Countersink Drill 90 Degree 1 3 Flute Cobalt Countersink HSS Chamfering Metal Milling Tool Cutter 6.3-60 Stainless Steel De-Durring Orifice Drill(Ti Coating 3F,8.3MM)

90 ° cobalt contentChamfering knifeTiain coated single blade/three bladeAdvantages: Three blade simultaneous cutting, high efficiency, and greater wear resistance.==========Coating : AlTiNOrigin : ChinaModel Number : Chamfering Metal Milling ToolType : Chamfer End MillsMaterial : High Speed Steel

• [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.