6.9Mm Twist Drill Bits High-Speed Steel Black Oxide Coating For Metal Wood

Attributes:* Twist Drill Bits Diameter: 6.9mm / 0.27-inch* Shank Diameter: 6.9mm / 0.27-inch* Blade Length: 65mm / 2.56-inch* Total Length: 107mm / 4.21-inch* Material: High-Speed Steel 6542* Color: BlackWhat Is Included:* 1 Pieces x electric drill bitsApplications & Features:--- Metal drill bits are essential for professional carpenters and construction workers. Suitable for drilling holes in metal, wood, and plastic.--- Suitable for electric drills, hand drills, and impact drills.--- The drill bit is made of high-speed steel and has been quenched to make it hard and wear-resistant and not easy to break.--- Surface black oxidation treatment, not easy to rust--- Sharp cutting edges allow for smooth cuts without burrs--- Spiral chip removal design, chip removal is smoother, more efficient, and more labor-saving.Useful Tips:--- Compatible models of twist drill bits include electric hand drills and bench drills. Choosing the correct lubricant is beneficial for cutting or cooling.