Meet the Wiseman Threading Tools Second Lead Metric HSS Tap in M27x1.5 — a precision ground, uncoated high-speed steel tapping tool engineered for dependable internal threads in a wide range of metals. Built to ISO 529 standards, this tap delivers consistent thread quality with a right-hand thread and the enhanced performance of a second-lead profile for faster, smoother tapping in everyday workshop tasks.

• Material and finish: High-speed steel (HSS) with a precision-ground finish for accurate thread forms; uncoated to accommodate multiple lubricants and real-world cutting conditions.
• Thread specification: Metric M27x1.5, right-hand thread, aligned to ISO 529 for compatibility with standard fasteners and mating components.
• Second lead design: A two-start thread form that improves engagement and initial bite, reducing tapping effort and speeding production when forming threads in common metals.
• Size and suitability: Optimized for through-holes and robust internal threading applications that require a larger-diameter, dependable tap with good chip evacuation.
• Versatile use cases: Ideal for general-purpose tapping in steel, cast iron, aluminum, and other machinable materials when paired with appropriate lubrication; well-suited for repairs, prototyping, and routine production tasks.
• Tool compatibility: Designed to work with standard hand taps, T-handle wrenches, and typical drilling/tapping setups found in machine shops and workshops.

Practical guidance for best results: ensure proper alignment with the workpiece, apply cutting oil or lubricant to minimize heat and wear, and maintain steady, controlled turns to form clean, accurate threads. After tapping, clean the threads and verify fit with the corresponding fastener.

With the Wiseman Threading Tools Second Lead Metric HSS Tap, you gain a reliable, high-precision solution for internal threads that elevates your machining workflows—from repair work to new fabrications. Add this essential tapping tool to your kit and experience consistent performance, component compatibility, and improved production efficiency.