Wiseman Threading Tools Second Lead Metric HSS Tap Right Hand - M20x2.5

The Wiseman Threading Tools Second Lead Metric HSS Tap Right Hand - M20x2.5 is a precision-ground internal threading tool designed for bold, reliable thread formation in metal. Crafted from high-speed steel (HSS) and uncoated for general-purpose use, this tap delivers clean, accurate threads that you can trust in every project—from repair work to production runs.

Key characteristics designed to optimize performance include:

• High-speed steel ground thread tap for sharp cutting edges, durable performance, and consistent thread quality across multiple holes.
• Uncoated, general-purpose finish that suits a wide range of metals, including steel, cast iron, and aluminum, without requiring special coatings.
• ISO 529 dimensions ensuring compatibility with standard drillings and holes in the industry.
• Right-hand thread designed for typical, forward-tilling turning operations, making it ideal for most everyday tapping tasks.
• Second lead configuration provides a more aggressive cut and efficient material removal, reducing cycle times in busy shops.
• Metric size M20x2.5 for a common, widely used thread pattern in machinery, automotive components, and fabrications.
• USA plug lead compatibility that supports typical tapping setups in North American workflows.

Ideal use scenarios include creating internal threads in drilled holes for fasteners, fittings, and assemblies where M20x2.5 threads are required. It’s a reliable choice for machine shops, engineering labs, and skilled hobbyists who need predictable performance without specialized coatings.

Practical tips for best results:

• Pair the tap with a properly prepared hole and a compatible pilot drill size according to ISO 529 guidelines to ensure crisp thread profiles.
• Use appropriate tapping fluid or cutting oil to reduce friction, extend tool life, and improve finish quality.
• Maintain steady, even pressure and avoid excessive torque to prevent breakage; back off gently to break the chip when nearing the end of the cut.
• Clean the hole and tap after use to prevent built-up residues that can affect subsequent threads.

Commissioned for dependable, repeatable results, this M20x2.5 right-hand threaded tap from Wiseman delivers consistent thread quality across jobs while staying true to ISO standards. Whether you’re prototyping a part or completing a high-volume run, this second-lead HSS tap is a trusted addition to your threading toolkit.