A Comprehensive Guide to O-Rings for SAE O-Ring Boss …
A Comprehensive Guide to O-Rings for SAE O-Ring Boss (ORB) Thread Sizes 4, 6, 8, 12, and 16. Posted on August 3, 2023 by Steve Sandefur. When it comes to hydraulic and pneumatic systems, precision and reliability are of utmost importance. One often overlooked but critical component in these systems is the O-ring.