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The PRECISION BRAND 45311 is a tool black gel used to mark and highlight surface finishes, layout lines, and contact patterns on machined metal parts. Applied to a surface before scraping, fitting, or inspection, the gel transfers to high spots and mating areas, giving machinists and toolmakers a clear visual reference for where metal-to-metal contact is occurring. The pint size is suited to shop environments where the product sees regular use. Packaged 6 units per case, it is a standard consumable in precision metalworking and tool-and-die applications.
Tool black gel is used in machine shops, maintenance facilities, and manufacturing environments where fitting, lapping, or surface plate work is performed. It applies to bearing surfaces, ways, mating flanges, and similar precision components. Machinists, tool-and-die makers, and maintenance technicians are the primary users. It is appropriate for both production and repair settings where accurate surface contact verification is required.
Designed as a direct replacement for PRE45310. Suitable for general tool black applications on machined metal surfaces across a range of precision metalworking and maintenance operations.
Apply tool black gel to clean, dry metal surfaces using a dauber or cloth before fitting or inspection work. Ensure the mating surface is free of chips, coolant, and debris prior to application. No special tools or trade licensing are required, but standard shop safety practices apply, including appropriate glove use when handling marking compounds. Store the container sealed and upright when not in use.
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