Home Resource Center Tools and Calculators Tools and Calculators Materion has several tools and calculators to help selecting the correct materials including the ToughMet Bushing Fit & Tolerance, WAMBraze Selector and Solder Selector Tools. If you cannot find the information you need or would like to request additional information about the tools below, please feel free to Contact Us for more information. Resources Materion Lid Application Comparison Solder Selector Materion Advanced Materials Group manufactures a wide variety of solder alloys available in preforms, ribbon, rod, wire, and rings. The Solder Selector tool will assist in choosing a solder for your unique situation. Toughmet Bushing Fit And Tolerancing Tool When using ToughMet alloy for bushings and bearings, this tool will compute the appropriate diametral interference tolerance for the bushing press-fit into the housing as well as the appropriate diametral clearance tolerance between the bushing and the supported shaft. This tool was formerly called the Bearing Design Guide.