Discover precision threading that you can trust with the Wiseman Threading Tools Taper Lead Metric HSS Tap Left Hand - M27x1.5. Crafted from high-speed steel and ground for accuracy, this tap is purpose-built for reliable, repeatable left-hand threading in a wide range of metalworking projects. Uncoated for general-purpose use, it adheres to ISO 529 dimensions to ensure compatibility with standard tooling and holders, so you can count on consistent results every time.

• Left-hand thread, M27x1.5: creates reverse threads that tighten when rotated counterclockwise, ideal for assemblies designed to resist loosening under vibration or reverse loading.
• Taper lead design: gradual entry into the threads reduces cutting shock and improves alignment, delivering smoother starts and fewer skipped threads in tougher materials.
• High-speed steel ground, uncoated: robust performance for metalworking across common steels and non-ferrous metals, with the flexibility of a general-purpose finish that adapts to various cutting fluids.
• ISO 529 compliant: engineered to the standard thread dimensions, ensuring predictable fitment with compatible taps, wrenches, and accessories.
• Versatile, general-purpose threading tool: a dependable option for repairs, component fabrication, or maintenance tasks that require a left-hand M27x1.5 thread.

Practical use notes: pair this tap with a compatible tap wrench and appropriate cutting fluid to maximize tool life and thread quality. Maintain proper alignment to avoid cross-threading, and back out the tap periodically to clear chips as you approach full depth. The taper lead helps minimize initial rigidity, making it easier to start threads in harder materials and reducing the risk of tool deflection.

Ideal for machine shops, maintenance technicians, and DIY metalworkers who encounter reverse-threaded components or assemblies that require controlled disengagement. With its precise machining, ISO 529 compliance, and durable HSS construction, this Wiseman tap delivers dependable performance where others may struggle.