{"product_id":"osborn-0003000500-knotted-wire-end-brush-0-5-in-steel","title":"Osborn 0003000500 Knotted Wire End Brush 0.5 in Steel","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe OSBORN 0003000500 is a knotted wire end brush designed for aggressive surface preparation and cleaning in confined or hard-to-reach areas. Built with a steel fill wire in a fine grade, this end brush delivers consistent scrubbing action on weld spatter, rust, scale, and surface contamination. The bridled construction controls wire flare during use, maintaining consistent brush contact and extending service life. Rated to 22,000 RPM, it is compatible with standard die grinders and rotary tools equipped with a matching shank. Installers and fabricators working on tight interior welds, pipe ends, or recessed bores will find this brush well suited to the task.\u003c\/p\u003e\n\u003cp\u003eThis end brush is used across metalworking, fabrication, and maintenance applications where a straight die grinder or rotary tool is the primary driver. It performs well in weld prep, deburring, rust removal, and light surface finishing inside tubing, ports, and narrow channel work. The knotted wire configuration provides more aggressive cutting action than crimped wire alternatives, making it the preferred choice when material removal speed matters. It is sold individually and suited for both shop use and field service work.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eKnotted steel wire fill for aggressive material removal and surface prep\u003c\/li\u003e\n  \u003cli\u003eFine grade wire for controlled finish on metal surfaces\u003c\/li\u003e\n  \u003cli\u003eBridled design limits wire flare and maintains consistent brush geometry\u003c\/li\u003e\n  \u003cli\u003e22,000 RPM maximum speed rating for use with standard die grinders\u003c\/li\u003e\n  \u003cli\u003eShank included for direct chuck mounting — no adapter required\u003c\/li\u003e\n  \u003cli\u003eDesigned for hard-to-reach areas including bores, pipe ends, and recessed weld joints\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use with die grinders and rotary tools that accept a standard end brush shank. Confirm tool chuck size and maximum RPM rating before mounting.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eAlways verify the tool spindle speed does not exceed the 22,000 RPM maximum rating of the brush before operation. Wear appropriate PPE including eye protection and gloves when operating wire end brushes at speed. Mount the shank securely in the tool chuck and inspect the brush for damaged or broken wires before each use. Remove any broken wire strands from the work area immediately.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrush Diameter\u003c\/strong\u003e: 0.5 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFill Material\u003c\/strong\u003e: Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWire Type\u003c\/strong\u003e: Knotted\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrade\u003c\/strong\u003e: Fine\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum RPM\u003c\/strong\u003e: 22,000\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Included\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBridled\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEncapsulated\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHollow Center\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 1.45 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 31191521\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: OSBORN\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 0003000500\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"OSBORN","offers":[{"title":"Default Title","offer_id":51733602631986,"sku":"0003000500","price":29.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/1de20ba4a6cb8fc33f94c672202cb6e6.jpg?v=1788756753","url":"https:\/\/voomisupply.com\/products\/osborn-0003000500-knotted-wire-end-brush-0-5-in-steel","provider":"Voomi Supply","version":"1.0","type":"link"}