{"product_id":"3m-7100138178-radial-bristle-brush-3-in-120-grit","title":"3M 7100138178 Radial Bristle Brush 3 in 120 Grit","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe 3M 7100138178 is a radial bristle brush designed for surface preparation, deburring, blending, and finishing on metal and other hard surfaces. The brush uses a ceramic abrasive material rated at 120 grit for fine-grade material removal. Its 3-inch outside diameter and Type R Quick-Change arbor connection make it compatible with standard rotary tools and die grinders used in HVAC fabrication, plumbing rough-in, and general trade metalwork. Rated to 25,000 RPM, it handles high-speed applications without bristle separation. Installers and fabricators use this brush to clean weld seams, prep pipe ends, and blend surface transitions before assembly or coating.\u003c\/p\u003e\n\u003cp\u003eThis radial bristle brush is suited for trade professionals working on metal surface prep in HVAC ductwork fabrication, pipe fitting, and electrical enclosure work. The fine 120-grit ceramic abrasive removes light burrs, mill scale, and oxidation without aggressive stock removal. The Type R Quick-Change arbor allows fast tool changes on compatible rotary platforms. It is sold as a single unit and is appropriate for bench grinder setups or handheld die grinders used in shop and field environments.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eCeramic abrasive material provides consistent, long-lasting cut on metal surfaces\u003c\/li\u003e\n  \u003cli\u003e120-grit fine grade suited for light deburring, blending, and surface finishing\u003c\/li\u003e\n  \u003cli\u003e3-inch outside diameter fits standard rotary and die grinder applications\u003c\/li\u003e\n  \u003cli\u003eRated to 25,000 RPM for high-speed tool compatibility\u003c\/li\u003e\n  \u003cli\u003eType R Quick-Change arbor connection for fast, tool-free disc swaps\u003c\/li\u003e\n  \u003cli\u003eWhite brush color for easy visual identification of fine-grade tooling\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use with Type R Quick-Change rotary tool systems accepting 3-inch radial bristle disc accessories.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation and operation should be performed by qualified trade personnel familiar with rotary abrasive tool safety. Confirm the tool spindle speed does not exceed the 25,000 RPM maximum rating before use. Wear appropriate PPE including eye protection and gloves when operating rotary abrasive tools. Follow the tool manufacturer's guidelines for mounting Type R Quick-Change accessories to avoid disc separation during operation.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutside Diameter\u003c\/strong\u003e: 3 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAbrasive Material\u003c\/strong\u003e: Ceramic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrade\u003c\/strong\u003e: Fine\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrit\u003c\/strong\u003e: 120\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum RPM\u003c\/strong\u003e: 25,000\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eArbor Connection Type\u003c\/strong\u003e: Type R Quick-Change\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrush Color\u003c\/strong\u003e: White\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.04 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: 3M\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 7100138178\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"3M","offers":[{"title":"Default Title","offer_id":51691262607666,"sku":"7100138178","price":26.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/459280bab2a893975742e88365be9ba1.jpg?v=1788282358","url":"https:\/\/voomisupply.com\/products\/3m-7100138178-radial-bristle-brush-3-in-120-grit","provider":"Voomi Supply","version":"1.0","type":"link"}