The Dormer E559 HSS Engineers Metric Hand Taps are the ultimate choice for precision thread cutting in engineering and industrial applications. Crafted with high-speed steel (HSS), these hand taps are built to deliver durability, efficiency, and accuracy in every project. Featuring a straight flute design and taper lead, the E559 is ideal for cutting standard metric threads to ISO standards. The taper lead ensures smoother engagement with the workpiece, reducing torque and improving control during the tapping process. Whether you're working with steel, aluminum, or non-ferrous materials, these taps provide consistent performance for blind and through-hole threading. Features and Benefits • High-Speed Steel (HSS): Offers superior strength and wear resistance, ensuring long-lasting performance. • Straight Flute Design: Ideal for general-purpose tapping, ensuring reliable chip removal and clean threads. • ISO Standard Compliance: Meets stringent ISO metric threading standards for precisio