Easy Step-by-Step Guide to Tapping M4 Holes in Metal | DIY Engineering

In today's video, I'm thrilled to walk you through the process of tapping M4 holes in metal. Whether you're an experienced engineer or a DIY enthusiast, this guide is tailored to help you master the technique with ease. I start by selecting the right job, understanding the importance of using an M4 tap, and why choosing the correct drill size is crucial. I'll explain how to use a tapping drill size chart to find the perfect size and share tips on preventing friction during the tapping process. You'll also learn how to set up your tap handle correctly and the benefits of using a high-quality lubricant like Boeing's Boelube. Plus, I'll demonstrate how to maintain the tap perpendicular to the workpiece to avoid crooked threads and unnecessary hassles. Stay tuned for a clear, easy-to-follow demonstration that ensures your tapped holes are perfect every time!