Tru-maxx 51033249M Rectangle Polishing Stone 320 Grit

Product Description

The TRU-MAXX 51033249M is a rectangle silicon carbide polishing stone designed for fine surface finishing and honing applications. At 6 inches in overall length and rated at 320 grit, this stone falls in the extra fine grade range, making it well suited for removing light scratches, refining edges, and producing smooth surface finishes on metal, ceramic, and similar hard materials. It is not oil filled, so no pre-soaking or oil charging is required before use. Machinists, tool-and-die technicians, pipefitters, and general maintenance trades keep this type of stone on hand for deburring valve seats, lapping flat surfaces, and touching up tooling.

This polishing stone is used in light industrial, maintenance, and trade service environments where controlled material removal and surface refinement are needed. The rectangular profile provides a flat, stable contact face for consistent work on flat surfaces, shoulders, and recesses. Its compact 6-inch length makes it easy to handle for bench work or in-place finishing tasks. It is appropriate for use on ferrous and non-ferrous metals as well as hard non-metallic surfaces.

Key Features

• 320 grit extra fine grade for light stock removal and surface polishing
• Silicon carbide abrasive - well suited for hard materials and non-ferrous metals
• Rectangle shape provides a flat, stable working surface
• 6 inches overall length for easy bench or field handling
• Not oil filled - ready to use without pre-treatment

Compatibility

Designed as a general-purpose replacement or replenishment polishing stone for bench honing, deburring, and surface finishing tasks common in machining, plumbing, HVAC, and mechanical maintenance applications.

Installation Notes

Polishing stones of this type are used by hand or with a honing fixture and require no power tools for basic operation. Ensure the workpiece is secured before applying the stone to avoid uneven contact or slipping. Follow applicable shop safety practices, including eye protection when working with metal surfaces. No special mounting hardware is required for handheld use.