Introducing the Fire Thread Tool Kit: Your Precision Solution for Fire Hydrant Fitting Assessment


Ensure the seamless functionality of your fire hydrant connections with the Fire Thread Tool Kit, an advanced tool meticulously designed to accurately determine the thread size of fire hydrant fittings. Developed with precision and reliability in mind, this cutting-edge instrument is an indispensable asset for professionals in the fire safety and municipal services sectors.



Fitting CompatibilityNPT, NPSH, NH/NST, STORZ Connections, and Cam and Groove
TPI Sizes4, 5, 6, 7.5, 8, 9, 10, 11, and 11.5
O.D. and I.D. MeasurementsMeasure outer dimensions and inner dimensions up to 6"
Location SpecificUnited States and Canada


Comprehensive Compatibility

Versatile tool accommodates various thread profiles and sizes commonly found in fire hydrant fittings. TPI sizes include; 4, 5, 6, 7.5, 8, 9, 10, 11, and 11.5. The Fire Thread Tool can be used to measure NH/NST fittings, STORZ Connections, NPT fittings, NPSH fittings, and Cam and Groove fittings.


Ergonomically Designed

Designed for ease of use, features a comfortable handle, enhancing your overall user experience during assessments and maintenance tasks. Intuitive features and large numbers enhance ease of use for professionals and beginners alike.

Durable Construction

Robust design ensures longevity, making it a reliable asset for routine inspections and emergency situations. The Fire Thread Tool is also crafted with a body made of an impact-resistant material to ensure long-lasting protection against rust, ideal for extended use in various environments.


Compact and Portable

The Fire Thread Tool is compact and lightweight and comes in a durable vinyl bag, making it a convenient tool to carry in your toolkit or vehicle. Its portability ensures that you have the means to assess fire hydrant fittings on-site, streamlining maintenance processes and minimizing downtime.

Caliper for I.D. and O.D. Measurements

Included caliper provides an additional functionality, allowing you to accurately measure inner and outer diameters of fittings, ensuring comprehensive assessment and compatibility checks for a complete fire hydrant system evaluation.

Comprehensive Fitting Information Cards + Companion Website Access

Receive a set of informational cards detailing compatibility with various fittings, including NPT, NPSH, NH/NST, STORZ Connections, and Cam and Groove fittings. You will find information such as line diagrams and names of each fitting type, nominal size, outer fitting dimensions, threads per inch, and other notes or diagrams pertaining to each fitting type.

Upgrade your fire hydrant toolkit with the Fire Thread Tool Kit – the epitome of precision, durability, and user-friendly design. Invest in the assurance of accurate thread size determination, and elevate the safety and functionality of your fire hydrant systems.