---
title: 350 HBW2.5/187.5, Brinell Test Block w Grid
url: https://shop.opti-tech.ca/product/350-hbw2-5-187-5-brinell-test-block-w-grid/
date: 2025-04-13T15:52:38+00:00
modified: 2025-12-30T19:40:14+00:00
lang: en_US
---

# 350 HBW2.5/187.5, Brinell Test Block w Grid

Designed for hardness verification, Brinell test blocks serve as reference standards for maintaining the accuracy of Brinell hardness testing machines. Available in multiple hardness levels, they support quality control and compliance in manufacturing and research environments. These blocks help ensure repeatable and precise hardness testing results.