{"product_id":"e-z-lok-319-820-thread-locking-insert-1-2-20-x-5-8-11-unf","title":"E-z Lok 319-820 Thread Locking Insert 1\/2-20 X 5\/8-11 Unf","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe E-Z LOK 319-820 is a self-lock wall thread locking insert designed to create a secure, vibration-resistant threaded connection in carbon steel base materials. It features a 1\/2-20 UNF internal thread and a 5\/8-11 external thread, allowing it to be driven into a standard tapped hole to provide a stronger, locking internal thread. The insert is manufactured from C12L14 carbon steel with a smooth, rolled finish and measures 0.62 inches in overall length. Licensed trades and maintenance professionals use this type of insert when original threads have stripped or when a locking thread is required in a structural or mechanical assembly.\u003c\/p\u003e\n\u003cp\u003eThis insert is suited for use in mechanical, industrial, and trade-service applications where thread integrity and vibration resistance are critical. The 5\/8-11 external thread is installed into a standard tapped hole using a driving tool compatible with the self-lock wall installation method. The 1\/2-20 UNF internal thread accepts standard Grade 2 and above fasteners with a 2B class of fit, making it a practical solution for repair or new-construction threading situations in steel assemblies.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e1\/2-20 UNF internal thread with 2B class of fit for standard fastener compatibility\u003c\/li\u003e\n  \u003cli\u003e5\/8-11 external thread with 2A class of fit for installation into a standard tapped hole\u003c\/li\u003e\n  \u003cli\u003eSelf-lock wall design resists loosening under vibration and dynamic loads\u003c\/li\u003e\n  \u003cli\u003eC12L14 carbon steel construction for strength and machinability\u003c\/li\u003e\n  \u003cli\u003eSmooth, rolled finish on external thread for clean installation\u003c\/li\u003e\n  \u003cli\u003eOverall length of 0.62 inches for compact fitment in shallow-bore applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use in standard tapped holes requiring a 5\/8-11 external thread entry and a 1\/2-20 UNF internal thread output, compatible with standard tap type installations in carbon steel and similar base materials.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is typically performed by a machinist or maintenance technician using a standard driving tool appropriate for self-lock wall inserts. The receiving hole must be tapped to 5\/8-11 before insert installation. Ensure the workpiece is secured and de-energized or de-pressurized as applicable before beginning thread repair work. Follow applicable mechanical and structural codes for the assembly in which the insert is being used.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInternal Thread Size\u003c\/strong\u003e: 1\/2-20\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExternal Thread Size\u003c\/strong\u003e: 5\/8-11\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: UNF\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Length\u003c\/strong\u003e: 0.62 inches\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 Type\u003c\/strong\u003e: Self-Lock Wall\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Carbon Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: C12L14\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: Smooth, Rolled\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFor Tap Type\u003c\/strong\u003e: Standard\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.031 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: 319-820\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"E-Z LOK","offers":[{"title":"Default Title","offer_id":67918724989234,"sku":"319-820","price":30.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/c9391caba11c8efd9c23eabbc2df146a.jpg?v=1791272606","url":"https:\/\/voomisupply.com\/products\/e-z-lok-319-820-thread-locking-insert-1-2-20-x-5-8-11-unf","provider":"Voomi Supply","version":"1.0","type":"link"}