--- title: Hydraulic Fitting Thread Identification and Measurement Guide description: "Hydraulic fittings\nThread identification and measurement guide\nHow to measure threads\nThread dimension table\nvisual thread guide" --- ![Brennan](https://connect.brennaninc.com/hubfs/Brennan-Feb2017/cropped-BI-Circle-Brennan-1.jpg "Brennan") # Thread Identification & Measurement Guide [Click here](https://online.pubhtml5.com/ajij/nzia/) to view an interactive flipbook guide. Fill out the form to receive a physical copy and/or PDF download of the Thread ID Guide. This handy guide features: - 28 pages of helpful information and illustrations - Tips for measuring & identifying common threads - Visual ID and size guide for multiple fitting types - Thread dimension chart covering 15 different thread types - Compact 5.5" x 8.5" size - High production quality [![Thread ID Guide.png](https://connect.brennaninc.com/hs-fs/hubfs/Thread%20ID%20Guide.png?width=320&name=Thread%20ID%20Guide.png "Thread ID Guide.png")](https://brennaninc.com/fitting-identification-introduction/) ![Brennan Industries](https://connect.brennaninc.com/hubfs/BI%20LOGO%20PACK/BRENNAN/Bi%20Circle%20(Transparent).png) ABOUT US [Locations](https://brennaninc.com/locations/) [Careers](https://brennaninc.com/careers/) [Contact Us](https://brennaninc.com/contact-us/) RESOURCES [Cross Reference Tool](https://brennaninc.com/cross-reference-tool/) [Literature](https://brennaninc.com/resources/literature/) [Blog](https://blog.brennaninc.com/) LEARN [Brennan University](https://brennaninc.com/brennan-university/) [BluPrints](https://brennaninc.com/bluprints/) [Fittings 101 Video Series](https://brennaninc.com/fittings-101-video-series/) FOLLOW US © Brennan Industries 2026 [Terms of Use](https://brennaninc.com/terms-of-use/) | [Terms of Sale](https://brennaninc.com/terms-of-sale/) | [Privacy Policy](https://brennaninc.com/privacy-policy/) | [Site Map](https://brennaninc.com/sitemap/) MAKING CONNECTIONS