The ER18 is a Cage Construction Cage Rod from the brand Thorlabs, a renowned name in the optical industry. This rod is 18 inches long, making it suitable for applications requiring longer rods. The ER18 is crafted from Stainless Steel, ensuring durability and resistance to corrosion, which is essential for long-term use in various environments.
This Cage Rod is compatible with cage systems of two different sizes, 30 mm and 60 mm, providing flexibility in its application. The internal bore diameter of the rod is 6 mm, which is a standard size for many optical components. The rod is equipped with 4-40 post mounting screws, ensuring secure mounting of your optical elements.
The ER18 is currently in stock and available for immediate purchase. For more detailed information, you can refer to the step file ER18-Step or visit the product page on Thorlabs' official website using the provided weblink. The product's catalog number is THR_ER18, which can be used for easy reference or search.