---
title: "Why tempering instead of just hardening?"
url: "https://zimm.com/wiki/why-tempering-instead-of-just-hardening/"
datePublished: "2025-08-27T08:31:50+00:00"
dateModified: "2025-11-17T13:47:52+00:00"
author: "jonathan-mildner"
lang: en
canonical: "https://zimm.com/wiki/why-tempering-instead-of-just-hardening/"
markdown: "https://zimm.com/ai/wiki/why-tempering-instead-of-just-hardening.md"
categories: "Questions and answers about our products, Production according to drawing"
---

Tempering creates a balanced combination of strength and toughness. ZIMM recommends this process when customised drive elements must withstand high loads without fracturing in a brittle manner.