July 24, 2025 - cncfirst

M4 Thread Size Guide: Dimensions, Tapping Drill Size, and Application Tips

July 24, 2025 by matt-cncfirst

This article focuses on one of the most common small-size threads—the M4 thread size, also known as the M4 metric thread. We’ll walk you through its dimensions, drilling requirements, and practical application tips to help improve assembly efficiency and machining accuracy. Understanding metric thread dimensions is key to achieving precision fits and smooth fastening performance. … Read more

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