The ISO 7035 standard specifies the requirements for hexagon slotted and castle nuts with metric or inch threads. These specialized fasteners are designed to be used with a cotter pin to prevent loosening in high-vibration environments. Technical Overview
| Thread Size (ISO 228-1) | O-Ring Reference | Port Depth (min) | Port Diameter (tolerance) | |-------------------------|------------------|------------------|----------------------------| | G 1/4 | 7.65 x 1.78 | 8.0 mm | 10.0 mm H11 | | G 3/8 | 9.25 x 1.78 | 9.0 mm | 12.0 mm H11 | | G 1/2 | 11.90 x 2.62 | 10.0 mm | 16.0 mm H11 | | G 3/4 | 16.30 x 2.62 | 11.5 mm | 20.0 mm H11 | | G 1 | 21.90 x 2.62 | 13.0 mm | 25.0 mm H11 | iso 7035 pdf
Before buying, you can usually view the scope and table of contents for free on the ISO or ANSI website. This helps you confirm that ISO 7035 is the correct standard for your project. The ISO 7035 standard specifies the requirements for
Non-mandatory but useful annexes list compatibility of PB, PE, PE-RT with common industrial fluids (acids, alkalis, solvents, oils). This saves hours of separate material compatibility research. This helps you confirm that ISO 7035 is