Decatur Diamond has a solid line of high performance cutting tools that excel in silicon aluminum alloy applications. Castings such as cylinder blocks, heads, covers, transmission cases, aircraft components, and recreational products are perfect for our tooling systems. Face milling, cubing, reaming, boring, turning, or multi-function tooling - we have a solution for you. Our tools provide for high production machining of silicon aluminum and bimetallic aluminum/cast iron components
