{"product_id":"3m-7010307992-aluminum-oxide-lapping-disc-4-25-in-psa","title":"3M 7010307992 Aluminum Oxide Lapping Disc 4.25 in Psa","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe 3M 7010307992 is an aluminum oxide lapping disc engineered for precision abrasive finishing applications. The disc features aluminum oxide mineral coated onto a 3 mil polyester film substrate, bonded with a durable resin system and finished with a pressure-sensitive adhesive (PSA) backing for fast, secure attachment to backing plates. Available in seven grades ranging from 0.05 to 60.0 micron, this disc delivers a tight particle distribution that produces consistent cut rates, surface finishes, and disc life across production runs. The 4.25-inch diameter format suits benchtop and handheld finishing tools commonly used by precision technicians and trade professionals.\u003c\/p\u003e\n\u003cp\u003eThis disc is designed for demanding precision finishing tasks, primarily fiber optic connector end-face finishing and roll superfinishing operations. The harder resin system compared to the 261X series makes it well suited for applications requiring more aggressive, controlled material removal while still achieving fine surface finish targets. It is used in industrial, telecommunications, and precision manufacturing environments where repeatable finish quality is critical.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003ePSA backing allows quick, secure attachment and removal from compatible backing plates\u003c\/li\u003e\n  \u003cli\u003eTight particle distribution ensures consistent finish quality across the disc surface\u003c\/li\u003e\n  \u003cli\u003eHarder resin system than the 261X series for improved cut rate and disc longevity\u003c\/li\u003e\n  \u003cli\u003eAluminum oxide mineral on 3 mil polyester film for dimensional stability during use\u003c\/li\u003e\n  \u003cli\u003eAvailable in seven micron grades from 0.05 to 60.0 micron for multi-stage finishing sequences\u003c\/li\u003e\n  \u003cli\u003eCommon applications include fiber optic finishing and roll superfinishing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use with PSA-compatible backing plates and holders used in precision lapping and superfinishing equipment. Specific model compatibility was not provided in the product data; verify backing plate diameter and PSA compatibility before installation.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by precision technicians or qualified machine operators familiar with lapping and superfinishing equipment. Before mounting the disc, ensure the backing plate surface is clean, dry, and free of adhesive residue from previous discs to achieve full PSA contact. Press the disc firmly onto the backing plate from center to edge to eliminate air pockets. Follow equipment manufacturer guidelines and applicable workplace safety protocols when operating abrasive finishing machinery.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMineral Type\u003c\/strong\u003e: Aluminum Oxide\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBacking Material\u003c\/strong\u003e: 3 mil Polyester Film\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAttachment Type\u003c\/strong\u003e: Pressure-Sensitive Adhesive (PSA)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiameter\u003c\/strong\u003e: 4.25 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable Micron Grades\u003c\/strong\u003e: 0.05 to 60.0 micron (7 grades)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight (packaged)\u003c\/strong\u003e: 0.55 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.212 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUnit of Measure\u003c\/strong\u003e: Each\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: 7010307992\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"3M","offers":[{"title":"Default Title","offer_id":51343382610226,"sku":"7010307992","price":485.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/310527507.jpg?v=1782021044","url":"https:\/\/voomisupply.com\/products\/3m-7010307992-aluminum-oxide-lapping-disc-4-25-in-psa","provider":"Voomi Supply","version":"1.0","type":"link"}