{"product_id":"tru-maxx-66253255891-surface-grinding-wheel-46-grit","title":"Tru-maxx 66253255891 Surface Grinding Wheel 46 Grit","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe TRU-MAXX 66253255891 is a Type 1 surface grinding wheel designed for precision stock removal and surface finishing on ferrous and non-ferrous metals. Built with aluminum oxide abrasive and a vitrified bond, it delivers consistent cut rates and good wheel breakdown under load. The wheel measures 7 inches in diameter, 1\/4 inch thick, with a 1-1\/4 inch arbor hole. Rated at a maximum of 3600 RPM, it carries a J hardness code and a grain structure of 6, placing it in the medium-hardness, semi-friable category. Grinding technicians, tool-and-die workers, and maintenance machinists are the primary users of this wheel.\u003c\/p\u003e\u003cp\u003eThis wheel is suited for bench grinder and surface grinder applications where a coarse, open cut is needed to remove material efficiently. The 46-grit aluminum oxide construction handles general-purpose surface grinding on steel, cast iron, and similar hard metals. The vitrified bond provides rigidity and porosity control, making it appropriate for wet or dry grinding operations where dimensional accuracy and surface finish are the objective. It is a non-recessed, non-porous Type 1 straight wheel intended for horizontal or vertical spindle surface grinders.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eAluminum oxide abrasive grain — well-suited for ferrous metals and tool steel\u003c\/li\u003e\n\u003cli\u003eVitrified bond construction provides rigidity and consistent form holding\u003c\/li\u003e\n\u003cli\u003e46 grit, coarse grade for efficient stock removal\u003c\/li\u003e\n\u003cli\u003eJ hardness (medium) with semi-friable grain for self-sharpening action\u003c\/li\u003e\n\u003cli\u003eType 1 straight wheel profile with no recess — direct arbor mount\u003c\/li\u003e\n\u003cli\u003eMaximum operating speed of 3600 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement or standard fitment for bench grinders and surface grinders accepting a Type 1 straight wheel with a 1-1\/4 inch arbor hole and a 7-inch diameter.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eWheel mounting should be performed by a qualified machinist or grinding technician following ANSI B11.9 and OSHA 1910.215 guarding requirements. Always inspect the wheel for cracks or chips using the ring test before mounting, and never exceed the 3600 RPM maximum rated speed. Power down and lock out the grinder before changing wheels. Use proper flanges and blotters as specified by the grinder manufacturer, and allow the wheel to run at operating speed in a guarded condition for at least one minute before applying work.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWheel Type\u003c\/strong\u003e: Type 1 Straight\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAbrasive Material\u003c\/strong\u003e: Aluminum Oxide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBond Type\u003c\/strong\u003e: Vitrified\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrit\u003c\/strong\u003e: 46\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade\u003c\/strong\u003e: Coarse\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardness Code\u003c\/strong\u003e: J\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardness Rating\u003c\/strong\u003e: Medium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFriability\u003c\/strong\u003e: Semi-Friable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrain Structure\u003c\/strong\u003e: 6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWheel Diameter\u003c\/strong\u003e: 7 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWheel Thickness\u003c\/strong\u003e: 1\/4 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArbor Hole Size\u003c\/strong\u003e: 1-1\/4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum RPM\u003c\/strong\u003e: 3600\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecess Type\u003c\/strong\u003e: No Recess\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePorosity\u003c\/strong\u003e: Non-Porous\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWheel Color\u003c\/strong\u003e: White\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecification Code\u003c\/strong\u003e: 23A46J6V31\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 1 pound\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: TRU-MAXX\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 66253255891\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TRU-MAXX","offers":[{"title":"Default Title","offer_id":51737054150962,"sku":"66253255891","price":33.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/043754cbd683a145862493e2052e50c3.jpg?v=1788783664","url":"https:\/\/voomisupply.com\/products\/tru-maxx-66253255891-surface-grinding-wheel-46-grit","provider":"Voomi Supply","version":"1.0","type":"link"}