IBX1604 Features: * Material types: High carbon steel for hand tapping applications and High speed steel for machine tapping where critical dimensions are required * Etched: Tap size and recommended drill bit size are etched on each tool for easy identification * Point styles: Taper, plug, and bottoming styles are available * All Hanson taps and dies are made in USA * Precision ground straight flutes provide rapid chip removal for efficient threading * Designed for hand threading work * Taps produce a class 2B Thread * 3 to 5 threads chamfered * Ideal for all general-purpose threading * Ideal for tough threading work, routine maintenance, repair and for re-threading where high accuracy and tolerance thread is not critical * High Carbon Steel Machine Screw Fractional Plug Tap 7/16""-14 NC Warranty: * Lifetime warranty does not cover abuse