{"product_id":"3m-7000028420-disc-retainer-nut-5-8-11-internal-thread","title":"3M 7000028420 Disc Retainer Nut 5\/8-11 Internal Thread","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe 3M 7000028420 is a disc retainer nut designed to secure abrasive discs to disc pad hubs, face plates, and fibre disc holders used in grinding and finishing applications. It features a 5\/8-11 internal thread with a thread length of 5\/8 inches and includes 1\/4 inch diameter holes sized for use with a spanner wrench, allowing controlled installation and removal. This hardware component is a standard fastener in angle grinder setups and surface preparation work across metal fabrication, industrial maintenance, and construction trades.\u003c\/p\u003e\n\u003cp\u003eThis retainer nut is compatible with disc pad hub and face plate assemblies commonly found on angle grinders and right-angle disc tools. It is well suited for metal finishing, weld grinding, and surface preparation tasks in both shop and field environments. Sold in a case quantity of 10, it supports regular replacement schedules in high-volume production or maintenance operations.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e5\/8-11 internal thread for secure disc retention on standard threaded spindles\u003c\/li\u003e\n  \u003cli\u003e5\/8 inch thread length provides positive engagement with hub assemblies\u003c\/li\u003e\n  \u003cli\u003e1\/4 inch diameter spanner wrench holes allow controlled torque during installation and removal\u003c\/li\u003e\n  \u003cli\u003eCompatible with 3M disc pad hubs, face plates, and fibre disc holders\u003c\/li\u003e\n  \u003cli\u003eSold in a case quantity of 10 for maintenance and production environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use with all 3M disc pad hub and face plates and 3M fibre disc holders.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is typically performed by metalworkers, fabricators, or maintenance technicians using a spanner wrench sized to the 1\/4 inch holes. Always power down and disconnect the grinder from its power source before removing or installing the retainer nut. Ensure the spindle threads are clean and free of debris before threading on the nut. Follow the tool and abrasive manufacturer guidelines for proper disc assembly and guard placement.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInternal Thread\u003c\/strong\u003e: 5\/8-11\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Length\u003c\/strong\u003e: 5\/8 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpanner Wrench Hole Diameter\u003c\/strong\u003e: 1\/4 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.125 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 10 per case\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC\u003c\/strong\u003e: 00051144056200\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: 7000028420\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"3M","offers":[{"title":"Default Title","offer_id":51346236997938,"sku":"7000028420","price":82.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/310533941.jpg?v=1782074860","url":"https:\/\/voomisupply.com\/products\/3m-7000028420-disc-retainer-nut-5-8-11-internal-thread","provider":"Voomi Supply","version":"1.0","type":"link"}