Twist Drill Bit Long High-Speed Steel Black Oxide For Metal Wood

Applications & 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.