Fasteners for Sheet Metal & Fabrication: What to Choose
Sheet-metal fabrication can use machine screws with nuts, captive threads, inserts, studs and other engineered fastening methods. The best choice depends on sheet thickness, access to the back side, serviceability, surface appearance, load and production volume.
Fasteners for Electronics Enclosures: M2, M3 & M4 Selection Guide
Electronics enclosures often use small metric fasteners that must be assembled repeatedly without damaging thin panels, inserts or threaded bosses. M2, M3 and M4 are common sizes, but the correct choice depends on the thread feature, panel thickness, available tool space and required clamp load.