---
title: WERA 853/4 ACR Bits for Phillips Screws
url: https://octoolhouse.com/product/853-4-acr-bits-for-phillips-screws/
date: 2023-04-22T01:43:48+00:00
modified: 2026-10-11T22:56:59+00:00
lang: en_US
---

# WERA 853/4 ACR Bits for Phillips Screws

Anti-Cam-Out (ACR) Bits have ribs at the drive tip that protect against slipping out of the screw head. It is recommended that ACR bits are matched with ribbed ACR screws.