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How to Specify Tolerances on CNC Machining Drawings: A Practical Guide for Engineers

A CNC machining drawing is a contract between you and your manufacturer. When it’s clear, complete, and correctly toleranced, everything runs smoothly. When it’s ambiguous, over-constrained, or missing key callouts, you get late quotes, production delays, and parts that don’t work — even when the machining was technically correct.
This guide covers the practical mechanics of tolerancing a CNC machining drawing correctly: what to specify, where to apply tight tolerances, how to use GD&T effectively, and the mistakes that cost engineers the most time and money.

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Can a Milling Cutter Drill Holes? Exploring Milling vs. Drilling

When it comes to CNC machining, one common question we often hear is: Can a milling cutter be used to drill holes? While the answer is yes, the process and capabilities of milling cutters and drill bits differ. In this blog, we’ll explore the differences between milling cutters and drill bits, and when to use each tool in your machining process.

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