I think a hole punch will work just fine, in most cases use a light tap of a hammer to mark the metal and leave a small mark, then use a regular marker punch to make a deeper mark intended for the 1/ 2 inch hole and the 3/8 hole is used as it should be. it took a lot. For a long time.
🔍 Enhanced SEO-Optimized Starrett 18A Adjustable Automatic Center
9 Review
WypAll X60 Cloths BRAG Box - High-Quality White Cleaning Cloths In A Box Of 180
45 Review
🔩 Revolutionary Revolving Screwdriver with Grinding Saddle: The Ultimate DIY Tool
9 Review
Capri Tools CP21050 21050 Puncher
9 Review