{"product_id":"apex-ex-503-socket-drive-adapter-1-2-to-3-8-inch","title":"Apex EX-503 Socket Drive Adapter 1\/2 to 3\/8 Inch","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe APEX EX-503 is a square drive socket adapter designed to connect a 1\/2 inch square male drive to a 3\/8 inch square female drive, allowing technicians to use 3\/8 inch drive sockets with a 1\/2 inch drive ratchet or impact tool. At 1.5 inches overall length, this compact adapter keeps the tool profile low in tight working spaces. It meets ANSI standards and includes a pin lock retention feature to secure the attached socket during use. This type of adapter is a standard component in the tool kits of HVAC technicians, plumbers, electricians, and general trade professionals who work across multiple drive sizes.\u003c\/p\u003e\n\u003cp\u003eThe EX-503 is suited for general trade and maintenance applications where switching between 1\/2 inch and 3\/8 inch drive tooling is required without changing the primary ratchet or torque wrench. Common install scenarios include mechanical rooms, rooftop equipment service, panel work, and fixture rough-in where fastener access is limited and drive size versatility saves time. The pin lock design is particularly useful in overhead or awkward-angle work where socket retention matters.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eConverts 1\/2 inch square male drive to 3\/8 inch square female drive\u003c\/li\u003e\n  \u003cli\u003e1.5 inches overall length for compact tool stack height\u003c\/li\u003e\n  \u003cli\u003ePin lock retention keeps sockets seated during use\u003c\/li\u003e\n  \u003cli\u003eMeets ANSI standards for drive tool dimensions and tolerances\u003c\/li\u003e\n  \u003cli\u003eCompatible with standard impact and hand ratchet drive tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style drive adapter compatible with any standard 1\/2 inch square drive ratchet, breaker bar, or torque wrench accepting 3\/8 inch square drive sockets conforming to ANSI drive tool specifications.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThis adapter is installed by hand — no tools required. Seat the 1\/2 inch male end fully into the drive tool before attaching a 3\/8 inch socket to the female end. Verify the pin lock is engaged before applying torque. Do not exceed the torque rating of the smaller 3\/8 inch drive end, as that is the limiting factor in the drive train.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdapter Type\u003c\/strong\u003e: Drive\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMale Drive Size\u003c\/strong\u003e: 1\/2 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMale Drive Style\u003c\/strong\u003e: Square\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFemale Drive Size\u003c\/strong\u003e: 3\/8 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFemale Drive Style\u003c\/strong\u003e: Square\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 1.5 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRetention\u003c\/strong\u003e: Pin Lock\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: ANSI\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 27112832\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: APEX\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: EX-503\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"APEX","offers":[{"title":"Default Title","offer_id":51539354059058,"sku":"EX-503","price":41.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/419e7ed5e1c0250c03ffb3593e662e1b.jpg?v=1785838626","url":"https:\/\/voomisupply.com\/products\/apex-ex-503-socket-drive-adapter-1-2-to-3-8-inch","provider":"Voomi Supply","version":"1.0","type":"link"}