Countersink Drill High-Speed Steel Straight-Shank 90-Degree Chamfering Bit - Triple/Single Edge Countersink Screw Deburring Drill 1/5/10 Pcs Set(3 Flute,14mm,10pcs)

Specification:Material:High Speed SteelPackage Included :1pcs/5pcs/10pcs==========Origin : ChinaModel Number : 4.5mm-60mmDIY Supplies : MetalworkingMaterial : High Speed SteelType : Countersink Drill BitUse : Metal DrillingLength : 40mm-120mmProduct Name : Straight shank chamfer drillPackage : 1 pcs/5 pcs/10 pcsModel Number : 90 Degree Chamfer Drill BitsSpecification : 3 Flute/1 Flute

• [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.