The Carmex Spiral Point UNC Supercut Tap (7/8 x 9) is a professional-grade threading tool designed for precise UNC through-hole tapping in demanding materials. Built for machinists and metalworkers who need reliability, speed, and clean thread finishes.

• Material: HSS-E (high-speed steel with cobalt) for exceptional hardness, wear resistance, and heat tolerance in tough metals.
• Spiral Point design: Efficient chip evacuation that guides chips forward, reducing clogging and promoting smooth, consistent thread formation in through-holes.
• Thread form and size: UNC (Unified National Coarse)), 7/8 in diameter with 9 TPI, matching common coarse-thread requirements for robust fastener connections.
• Technology: Supercut engineering optimized for clean, accurate threads even in challenging materials and higher-speed operations.
• Applications: Ideal for through-hole tapping in ferrous and nonferrous metals, suitable for production environments and high-speed machining tasks.

This tap’s combination of durable HSS-E construction and chip-control geometry helps you achieve reliable, repeatable threads with fewer reworks. It’s well-suited for automotive, aerospace, and general machining projects where UNC threading quality and tool longevity matter, especially when tackling harder materials or busy workpieces with limited clearance.