Have you ever wondered why that shelf you installed keeps wobbling? Or why the gate hinge failed after just a few months? Perhaps you've scratched your head over a bolt that simply won't stay tight, no matter how many times you crank it down? The truth is, most fastener failures come down to simple mistakes during installation. Whether you're a DIY enthusiast tackling weekend projects or a tradesperson working on critical structures, getting nuts and bolts right matters more