Uncategorized 1916: First cold heading machine installed April 22, 1916 / August 5, 2026 by admin | Leave a Comment The cold revolution: forging without fire For the first fifteen years, production at the bolt factory was a hot, labor-intensive affair. Metal was heated, hammered and shaped by skilled workers using techniques that placed limits on precision, speed and output. In 1916, the installation of the factory’s first cold heading, imported from Germany, changed everything. […] Read more »