BRAIN BOLT on Instagram: "Red-hot steel doesn’t become a spring by accident. It gets forced into obedience. In spring manufacturing, steel wire is heated until it glows, softening the metal enough to be shaped without cracking. While still scorching hot, the wire is fed into a coiling machine that wraps it tightly around a mandrel, forming precise, uniform loops in seconds. Every turn is controlled, because even a tiny spacing error can change how the spring behaves under load. Once coiled, the