The Wiseman Threading Tools Taper Lead Metric HSS Tap Left Hand - M17x1 is a precision-tuned tapping solution built for serious metalworking. This uncoated, ground high-speed steel tap is designed to deliver clean, accurate left-hand threads with reliability you can feel on every cut.

• Material and finish: High-speed steel (HSS) for toughness and heat resistance, precisely ground for consistent tooth geometry, and uncoated to provide predictable performance under typical tapping conditions.
• Thread type and size: Left-hand thread in metric M17x1, enabling reverse-thread applications and special fastening needs without changing tooling.
• Lead design: Taper lead—engineered to ease entry into the workpiece, reduce binding, and promote smooth chip flow, especially helpful in blind or shallow holes.
• Standards and compatibility: ISO 529 dimensions ensure reliable fit with standard metal workpieces and mating components, making this tap a dependable choice for professional shops and DIY setups alike.
• Ideal applications: Use in projects that require reverse threading or left-handed fasteners, from machine maintenance to fabrication and repair tasks where a left-hand thread is specified.
• Practical performance tips: Pair with a suitable tap wrench or machine tapping setup, apply a light cutting fluid to extend tool life, keep the tool straight to prevent cross-threading, and back off slightly to break chips after each pass for a cleaner thread.
• Who benefits: Professional machinists, technicians, and dedicated hobbyists who demand precise, repeatable left-hand tapping with predictable outcomes.

With its robust HSS composition, taper lead geometry, and ISO-standard dimensions, this Wiseman tap is ready to tackle left-hand threading tasks with confidence. It’s the reliable choice when your project calls for reverse-thread fasteners or specialized mechanical assemblies where quality threads matter as much as speed.