{"product_id":"schaefer-brush-43865-spiral-tube-brush-3-3-4-in-stainless","title":"Schaefer Brush 43865 Spiral Tube Brush 3-3\/4 in Stainless","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe SCHAEFER BRUSH 43865 is a double stem spiral tube brush designed for cleaning the interior of tubes, pipes, and cylindrical passages. It features stainless steel bristles mounted on a stainless steel stem, making it well-suited for applications where corrosion resistance and durability are required. The brush measures 3-3\/4 inches in diameter with a brush length of 4-1\/2 inches and an overall length of 7-1\/4 inches. The 1\/4 inch male NPSM connection allows it to thread directly onto compatible extension handles or drill chucks for powered or manual operation. Plumbers, HVAC technicians, and industrial maintenance professionals commonly use this tool during cleaning, inspection prep, and maintenance tasks.\u003c\/p\u003e\n\u003cp\u003eThis spiral tube brush is appropriate for use in residential and commercial maintenance settings where tube or pipe bore cleaning is required. The double stem construction provides added support to the bristle fill, helping maintain consistent contact with the interior surface throughout the cleaning stroke. It is a practical hand tool for service technicians who need reliable mechanical cleaning without chemical dependency.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eStainless steel bristles for corrosion resistance and long service life\u003c\/li\u003e\n  \u003cli\u003eStainless steel double stem construction for rigidity and bristle retention\u003c\/li\u003e\n  \u003cli\u003e3-3\/4 inch brush diameter for cleaning correspondingly sized tube or pipe bores\u003c\/li\u003e\n  \u003cli\u003e4-1\/2 inch brush length provides thorough coverage in a single pass\u003c\/li\u003e\n  \u003cli\u003e1\/4 inch male NPSM connection for use with standard extension handles or power tools\u003c\/li\u003e\n  \u003cli\u003eCompact 7-1\/4 inch overall length for use in confined access areas\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement and general-purpose tube brush for use in residential and commercial pipe and tube cleaning applications requiring a 3-3\/4 inch diameter brush with a 1\/4 inch male NPSM connection.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThis brush is installed by threading the 1\/4 inch male NPSM stem into a compatible handle, extension rod, or drill chuck before use. Verify that the connection is fully engaged before applying rotational force to avoid thread damage or separation during operation. When using with a power drill, keep RPM within the range appropriate for wire brushes to prevent bristle fatigue or ejection. Wear appropriate eye and hand protection when operating any rotary brush tool.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e: Double Stem Spiral Tube Brush\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrush Diameter\u003c\/strong\u003e: 3-3\/4 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrush Length\u003c\/strong\u003e: 4-1\/2 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 7-1\/4 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBristle Material\u003c\/strong\u003e: Stainless Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStem Material\u003c\/strong\u003e: Stainless Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection Type\u003c\/strong\u003e: NPSM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection Size\u003c\/strong\u003e: 1\/4 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection Gender\u003c\/strong\u003e: Male\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.58 pounds\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: SCHAEFER BRUSH\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 43865\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SCHAEFER BRUSH","offers":[{"title":"Default Title","offer_id":51543025418546,"sku":"43865","price":44.78,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/35515cda271ce93d063445253b3f4862.jpg?v=1785913982","url":"https:\/\/voomisupply.com\/products\/schaefer-brush-43865-spiral-tube-brush-3-3-4-in-stainless","provider":"Voomi Supply","version":"1.0","type":"link"}