{"product_id":"3m-7000120399-wheel-adapter-1-4-inch-1-4-20-internal-thread","title":"3M 7000120399 Wheel Adapter 1\/4 Inch 1\/4-20 Internal Thread","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe 3M 7000120399 is a wheel adapter designed for use with Type 81 and Type 84 PG grinding wheels. It features a 1\/4-inch diameter shank and a 1\/4-20 internal thread, allowing it to accept PG wheels with 1\/4-20 external threads. Weighing 0.36 pounds, this compact adapter serves as the mechanical interface between the grinding wheel and the tool spindle. It is used by trade professionals and fabricators who require a secure, properly threaded mount when running small-diameter grinding wheels on compatible rotary tools and die grinders.\u003c\/p\u003e\n\u003cp\u003eThis adapter is suited for applications involving surface grinding, deburring, and finishing work where Type 81 or Type 84 PG wheels are the specified abrasive. It is appropriate for use in metal fabrication, maintenance, and repair environments where small-diameter mounted wheels are driven by pneumatic or electric rotary tools. The 1\/4-inch shank size is a common fit for standard die grinder collets used across industrial and trade settings.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e1\/4-inch diameter shank for compatibility with standard die grinder collets\u003c\/li\u003e\n  \u003cli\u003e1\/4-20 internal thread accepts PG wheels with 1\/4-20 external threads\u003c\/li\u003e\n  \u003cli\u003eDesigned specifically for use with Type 81 and Type 84 PG wheels\u003c\/li\u003e\n  \u003cli\u003eLightweight at 0.36 pounds for easy handling and tool balance\u003c\/li\u003e\n  \u003cli\u003eSold individually (each)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use with Type 81 and Type 84 PG grinding wheels that have 1\/4-20 external threads. Fits rotary tools and die grinders with a 1\/4-inch collet.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a qualified operator familiar with abrasive wheel mounting procedures. Ensure the rotary tool or die grinder is fully powered off and disconnected from its air or electrical supply before mounting or removing the adapter. Thread the adapter fully onto the wheel spindle and verify the wheel is secured before operating. Follow applicable ANSI B7.1 safety standards for the use, care, and protection of abrasive wheels.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 1\/4 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 1\/4-20 internal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Wheel Types\u003c\/strong\u003e: Type 81 and Type 84 PG Wheels\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.36 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUnit of Measure\u003c\/strong\u003e: Each\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Order 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: 7000120399\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"3M","offers":[{"title":"Default Title","offer_id":51346384748850,"sku":"7000120399","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/310534443.jpg?v=1782078873","url":"https:\/\/voomisupply.com\/products\/3m-7000120399-wheel-adapter-1-4-inch-1-4-20-internal-thread","provider":"Voomi Supply","version":"1.0","type":"link"}