
Introducing the USA Standard Hydraulic Thread Gauge Kit
This kit is an indispensable tool designed for professionals who demand precision and reliability in measuring US standard hydraulic fittings. This comprehensive kit includes six durable plastic cards, each tailored to specific fitting types such as NPT, NPSM, ORFS, JIC, ORB, and SAE 45°. With features that allow for accurate measurement of both outer and inner diameters, along with a versatile tool for determining threads per inch (TPI) and fitting angles, this kit simplifies and enhances your measurement process. Encased in a sturdy blue vinyl bag, it’s the ultimate portable solution for both on-site and in-shop applications.
How to Use
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Identify the ShapeSelect the card that matches the shape of the fitting or adapter you need to identify. For fittings with angled surfaces, use the angle guides on the angle and thread gauge tool to determine the correct angle. |
Measure the SizeAfter choosing the card that resembles the part, find the closest diameter by inserting your fitting or port into each hole until you find the perfect match. |
Determine the ThreadOnce you’ve identified the correct outside diameter, if the part is threaded, use the angle and thread gauge tool to accurately measure the thread size. |
Features

Ability to Measure Inner and Outer Dimensions
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Outer Dimensions |
Inner Dimensions |
Both OD and ID Threads |
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| Â Portable and Organized StorageEvery component of the kit is securely stored in a durable blue vinyl bag, ensuring that all tools are kept together and well-organized. This design makes it easy to transport the kit to various job sites, while also keeping your workspace tidy and your tools readily accessible when needed. Whether you’re on the go or working in the shop, the convenient storage bag ensures that everything is in its place and ready for use. |





















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