V-TapGuide™ UNF (United Fine Thread) - Standard Fractions (SAE) is compatible with Heli-Coil® type ground fine thread taps. Great for repair jobs or new screw thread insert jobs. Automatically squares up the tap with the surface. V-groove along the bottom of the guide allows for perpendicular alignment with all tap sizes on round parts or corners. Natural steel finish, non-plated. Portable, pocket-sized. Made from special nickel alloyed steel that is heat treated for durability. Eliminates most tap breakage due to improper alignment! Insure perpendicular Heli-coil® insert alignment. Engineered to be the most universal tap guides ever!. A great addition to anyone's tool set!. Tap Straight - Every Time!. Made in the USA. Guide holes are sized for ANSI standard ground taps. The bottom surface is ground to assure stability and accurate perpendicular alignment on flat surfaces. Portable, pocket-sized.
This standard fine thread STI tap guide is sized for ground tap sizes: