Understanding the Core Components of a Metal Shredder A metal shredder is more than just a machine; it's a system. Here are its core components: 1. Main Unit: Cutter Shaft: Single, dual, or quadruple shaft? Dual shafts are most common, processing metal by shearing and tearing. Blades:Material (usually alloy steel), shape, number, and repairability. Blades are consumable...