Industrial 12-ZP-1021 Step Reamer is a precision drill and reamer (catalog 680250) with a 1" step and a 9/16" shank, identified by part number 12-ZP-1021. This tool is designed to machine precise stepped holes, providing a defined transition between bore diameters in a single operation. The 9/16" shank is compatible with standard drill chucks and tooling holders found in typical industrial machining setups.
