The Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M22x1 is a precision-tuned tapping solution for metric interior threads in metal components. Built for accuracy and repeatable results, this left-hand thread tap cuts threads that pair with reverse-threaded assemblies and LH fasteners with confidence.

Manufactured from high-speed steel and ground to tight tolerances, the tool delivers clean, consistent threads with minimal work hardening. The uncoated surface is ideal for use with standard cutting fluids, maximizing chip evacuation and reducing friction in the cut.

Key features at a glance:

• Left-hand thread—designed to cut internal LH threads in M22x1 applications.
• Bottom lead geometry—facilitates a smooth start and efficient chip removal in through-holes.
• M22x1 metric size with ISO 529 compliant dimensions—ensuring compatibility with standard metric components.
• High-speed steel (HSS), ground for a precise, robust thread profile and longer service life.
• Uncoated finish for broad compatibility with cutting fluids and conventional tapping setups.
• General purpose tapping tool suitable for machine work and DIY projects, including applications such as UK plug lead assemblies and other metric LH-threaded fittings.
• Designed to work with a tap wrench or machine tapping setup, ensuring control and accuracy in line with professional standards.

Whether you’re rebuilding gearboxes, fabricating bespoke parts, or repairing LH-threaded components, this M22x1 LH tap provides dependable performance, repeatability, and clean thread formation you can trust when precision matters.