{"product_id":"norton-66253019354-surface-grinding-wheel-8in-46-grit","title":"Norton 66253019354 Surface Grinding Wheel 8in 46 Grit","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe NORTON 66253019354 is a Type 1 surface grinding wheel engineered for precision stock removal on soft carbon steels, tool steels, and super alloys. It measures 8 inches in diameter and 1\/2 inch thick with a 1-1\/4 inch arbor hole. The abrasive is aluminum oxide, bonded in a vitrified matrix rated to 3,600 RPM. Hardness code H places this wheel in the soft range of the hardness scale, which promotes consistent, free-cutting action on harder workpiece materials. The 46 grit size delivers coarse, aggressive material removal suited to roughing passes and surface grinding operations where stock reduction is the priority.\u003c\/p\u003e\u003cp\u003eThis wheel is designed for wet grinding operations on CNC cutting tool machines, cylindrical grinders, and surface grinders. The 25A series aluminum oxide formulation is a semi-friable abrasive that self-sharpens under load, maintaining cut rate on demanding materials including tool steels and super alloys. The vitrified bond provides rigidity and coolant permeability, making it well suited to wet-coolant surface grinding setups in production and tool-room environments.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eType 1 straight wheel profile — no recess, compatible with standard surface and cylindrical grinder arbors\u003c\/li\u003e\n\u003cli\u003e46 grit coarse aluminum oxide abrasive for high stock-removal roughing passes\u003c\/li\u003e\n\u003cli\u003eVitrified bond with porous structure supports coolant flow and chip clearance in wet grinding\u003c\/li\u003e\n\u003cli\u003eSemi-friable abrasive continuously self-sharpens, reducing glazing on tool steels and super alloys\u003c\/li\u003e\n\u003cli\u003eHardness code H (soft grade) sustains free-cutting action on harder workpiece materials\u003c\/li\u003e\n\u003cli\u003eMaximum operating speed 3,600 RPM — verify spindle speed before mounting\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eRated for use with CNC cutting tool machines, cylindrical grinders, and surface grinders. Suitable for grinding soft carbon steels, tool steels, and super alloys. Specification code 25A46-HVP2 identifies the full wheel bond and grade designation for direct cross-reference.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eThis wheel must be installed by a qualified grinding machine operator or toolroom technician following ANSI B7.1 safe mounting procedures. Always perform a ring test before mounting and ensure the machine spindle speed does not exceed the 3,600 RPM rating marked on the wheel. Flanges, blotters, and arbor hardware must be clean, flat, and correctly sized for the 1-1\/4 inch hole before tightening. Never exceed rated speed, and dress the wheel with an appropriate dressing tool before the first grinding pass.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWheel Diameter\u003c\/strong\u003e: 8 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWheel Thickness\u003c\/strong\u003e: 0.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHole Size\u003c\/strong\u003e: 1.25 inches\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: H\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWheel Hardness Rating\u003c\/strong\u003e: Soft\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\u003eWheel Type\u003c\/strong\u003e: Type 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 25A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecification Code\u003c\/strong\u003e: 25A46-HVP2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum RPM\u003c\/strong\u003e: 3,600\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWet\/Dry Operation\u003c\/strong\u003e: Wet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePorous\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTapered\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecess Type\u003c\/strong\u003e: No Recess\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWheel Color\u003c\/strong\u003e: Pink\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFriable\u003c\/strong\u003e: Semi-Friable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Application\u003c\/strong\u003e: Soft Carbon Steels, Tool Steels, Super Alloys\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 1.8 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: NORTON\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 66253019354\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NORTON","offers":[{"title":"Default Title","offer_id":51541649654066,"sku":"66253019354","price":86.32,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/a1531e285dcbdc76b69dcf81792981e2.jpg?v=1785881136","url":"https:\/\/voomisupply.com\/products\/norton-66253019354-surface-grinding-wheel-8in-46-grit","provider":"Voomi Supply","version":"1.0","type":"link"}