I forgot to look at that and I just had mine open. Filing the sharp edge off is probably the answer, or maybe sanding. Don't get crumbs in the computer. You might be able to fold tape over it but it will probably fall off eventually. Hold the file at a 45 degree angle to the metal and there's a technique called "draw filing" where you slide the file along the edge.
Look at someplace like Fastenal for screws. https://www.fastenal.com/product/fastene...anded=true You want flat head metric machine screws, probably stainless steel. Metric is on the same pages with the imperial but farther down. There's a diameter and a thread pitch which in imperial is a number of threads per inch. There's some metric equivalent. Buying individual ones is expensive, once you're sure of the size look for boxes of 100, they're a lot cheaper. Mine only had 4 short screws, the rest long. There are retail Fastenal stores, or a good hardware store would work. Maybe the Pine Store could sell screw kits? A nice set of 10 at a decent price.
Look at someplace like Fastenal for screws. https://www.fastenal.com/product/fastene...anded=true You want flat head metric machine screws, probably stainless steel. Metric is on the same pages with the imperial but farther down. There's a diameter and a thread pitch which in imperial is a number of threads per inch. There's some metric equivalent. Buying individual ones is expensive, once you're sure of the size look for boxes of 100, they're a lot cheaper. Mine only had 4 short screws, the rest long. There are retail Fastenal stores, or a good hardware store would work. Maybe the Pine Store could sell screw kits? A nice set of 10 at a decent price.