Meet the Wiseman Threading Tools Second Lead Metric HSS Tap Right Hand - M15x1.5, a precision-crafted solution for clean, dependable metric threads in metalworking projects. Forged from high-speed steel and offered uncoated for versatile performance, this tap is built to handle a range of materials with steady, repeatable results. Its ISO 529-compliant dimensions and right-hand thread ensure compatibility with standard tapping practices and common fastener systems.

• Second lead design: The second lead geometry accelerates thread formation and enhances chip evacuation, helping you complete through-hole tapping more efficiently without sacrificing accuracy.
• General-purpose, uncoated HSS: A robust, adaptable tap suited for steel, aluminum, brass, and other everyday metals encountered in workshops and fabrication shops.
• ISO 529 compatibility: Precisely engineered to standard tapping sizes, making alignment with drill sizes and cutting fluids straightforward and predictable.
• Right-hand thread: Matches the vast majority of metric fasteners and assemblies, simplifying installation and maintenance workflows.
• USA plug lead configuration: Designed for compatibility with common tapping setups in the United States, reducing the need for adapters or special tooling.

Ideal use cases and scenarios

The M15x1.5 size is a staple in automotive brackets, machinery housings, and control panels where durable, accurate threads are essential. Whether you're repairing, fabricating, or upgrading equipment, this Wiseman tap delivers reliable thread formation with a consistent pitch and clean finish. The uncoated surface invites your preferred cutting fluid or tapping oil, helping manage heat and improve chip flow for smoother operation.

Practical tapping tips for best results

• Prepare the pilot hole to ISO 529 recommendations for your material to ensure optimal thread strength and tool life.
• Use light lubrication to reduce heat buildup and prevent chip welding, especially on harder alloys.
• Maintain a steady, straight feed and back off periodically to break chips and avoid binding.
• Inspect the finished thread for smooth engagement; deburr as needed to guarantee flawless performance.

Why this Wiseman tap stands out: the second lead geometry combined with reliable HSS quality and ISO-aligned dimensions provides a trusted, repeatable threading solution. It’s the tool a productive workshop reaches for when precision matters and consistency is non-negotiable.

Specifications at a glance

• Tool type: Threading tap, right-hand
• Lead: Second lead
• Material: High-speed steel (uncoated)
• Thread: Metric M15 x 1.5
• Standard: ISO 529
• Lead configuration: USA plug lead