{"product_id":"e-z-lok-303-10-thread-locking-insert-5-8-11-unc","title":"E-z Lok 303-10 Thread Locking Insert 5\/8-11 Unc","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe E-Z LOK 303-10 is a self-locking threaded insert machined from 303-grade stainless steel, designed to create a secure, vibration-resistant internal thread in parent materials that require a larger external thread engagement. The insert features a 5\/8-11 UNC internal thread and a 7\/8-9 UNC external thread, with an overall length of 11\/16 inches (0.687 inches decimal). The self-lock wall design grips the host material under torque load, reducing the risk of back-out during service. Tensile strength is rated at 37,921 pounds. Installation is suited for machinists, maintenance technicians, and industrial tradespeople working in metal fabrication or equipment repair applications.\u003c\/p\u003e\n\u003cp\u003eThis insert is used in applications where a strong, corrosion-resistant threaded repair or thread conversion is needed in metal components. The 303 stainless steel construction makes it suitable for environments where mild corrosion resistance is required. It accepts a standard tap drill and is installed with a driving tool into a pre-tapped hole. Typical use cases include industrial equipment housings, structural fixtures, and mechanical assemblies requiring reliable UNC thread engagement in a larger bore.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e5\/8-11 UNC internal thread with Class 2B fit for standard fastener engagement\u003c\/li\u003e\n  \u003cli\u003e7\/8-9 UNC external thread with Class 2A fit for host material installation\u003c\/li\u003e\n  \u003cli\u003eSelf-lock wall design resists vibration-induced back-out\u003c\/li\u003e\n  \u003cli\u003e303 stainless steel construction provides corrosion resistance and machinability\u003c\/li\u003e\n  \u003cli\u003eBright finish with no coating buildup on thread surfaces\u003c\/li\u003e\n  \u003cli\u003eTensile strength rated at 37,921 pounds for demanding load applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a replacement or new-installation threaded insert for applications requiring a 5\/8-11 UNC internal thread within a 7\/8-9 UNC tapped bore. Compatible with standard tap drill preparation for 7\/8-9 UNC threads.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a qualified machinist or maintenance technician using the appropriate E-Z LOK driving tool. The parent material must be pre-tapped to accept a 7\/8-9 UNC external thread before the insert is driven in. Ensure the host material is secured and free of chips or debris before installation. Do not exceed the rated tensile load of the insert or the parent material during assembly.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInternal Thread Size\u003c\/strong\u003e: 5\/8-11\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExternal Thread Size\u003c\/strong\u003e: 7\/8-9\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: UNC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInternal Thread Class of Fit\u003c\/strong\u003e: 2B\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExternal Thread Class of Fit\u003c\/strong\u003e: 2A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Length\u003c\/strong\u003e: 11\/16 inches (0.687 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTensile Strength\u003c\/strong\u003e: 37,921 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Stainless Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: 303\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Type\u003c\/strong\u003e: Self-Lock Wall\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFor Tap Type\u003c\/strong\u003e: Standard\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Bright\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.0397 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: E-Z LOK\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 303-10\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"E-Z LOK","offers":[{"title":"Default Title","offer_id":67911560462642,"sku":"303-10","price":15.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/1086ce8484d81789a3df6db056c9e38c.jpg?v=1791212121","url":"https:\/\/voomisupply.com\/products\/e-z-lok-303-10-thread-locking-insert-5-8-11-unc","provider":"Voomi Supply","version":"1.0","type":"link"}