Thanks to my knowledge gained in practice as an industrial mechanic, I can confidently say that these stainless screws are the real deal. They make fastening so much easier with their smooth finish and trim head design. The strength of these screws is impressive and I've used them on various projects without any issues. The only downside is the price, but you get what you pay for in terms of quality. Overall, these screws are perfect for any industrial and scientific projects.