Not all threads are equal — and choosing between coarse and fine can make a real difference to the performance and longevity of your fastened connection. Here's what you need to know.

Threading into stainless is doable, but it’s not like tapping into pine or even aluminium. You’ve got to respect the material — otherwise, it’ll chew up your tap and leave you with a half-threaded hole and a fresh reason to go to the pub early.

Ever wondered why one bolt holds steady for decades, while another loosens faster than a bloke’s grip on Dry July? It’s not magic — it’s science.