---
title: "What does a protective tube protect in a screw jack?"
url: "https://zimm.com/wiki/what-does-a-protective-tube-protect-in-a-screw-jack/"
datePublished: "2025-07-25T06:53:59+00:00"
dateModified: "2025-11-17T13:47:09+00:00"
author: Jonathan Mildner
lang: en
canonical: "https://zimm.com/wiki/what-does-a-protective-tube-protect-in-a-screw-jack/"
markdown: "https://zimm.com/ai/wiki/what-does-a-protective-tube-protect-in-a-screw-jack.md"
categories: "Questions and answers about our products, Accessories"
---

The [protective tube](https://zimm.com/product/protective-tube-sro-with-lid/) encloses the spindle and protects it from dust, dirt, and moisture. It also prevents unintentional overtravel of the spindle beyond the end position.

- Environmental protection for the spindle
- Increased operational safety
- Available in various versions