---
title: "How is a screw jack element protected against dirt?"
url: "https://zimm.com/wiki/how-is-a-screw-jack-element-protected-against-dirt/"
datePublished: "2025-08-21T14:49:37+00:00"
dateModified: "2025-11-17T13:39:22+00:00"
author: "jonathan-mildner"
lang: en
canonical: "https://zimm.com/wiki/how-is-a-screw-jack-element-protected-against-dirt/"
markdown: "https://zimm.com/ai/wiki/how-is-a-screw-jack-element-protected-against-dirt.md"
categories: "Questions and answers about our products, Screw jacks"
---

ZIMM offers several solutions to protect the screw jack element against dirt:

- Bellows
- Spiral spring covers
- Special coatings

In addition, regular cleaning and the use of suitable lubricants ensure optimal protection.