{"product_id":"milwaukee-49-66-6720-impact-drive-adapter-1-4-to-3-8-inch","title":"Milwaukee 49-66-6720 Impact Drive Adapter 1\/4 to 3\/8 Inch","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe MILWAUKEE 49-66-6720 is a SHOCKWAVE Impact Duty drive adapter designed to convert 1\/4 inch square drive tools to accept 3\/8 inch drive impact sockets. Built from forged steel, this adapter is engineered for high-torque impact applications where standard adapters can fail. Laser-etched size markings make identification fast in the field. A dual-hole design combined with a ring groove allows for quick, secure socket attachment and removal without fumbling. This adapter is rated for impact use and meets ASME industry standards, making it a reliable choice for mechanics, electricians, and general trade technicians working with mixed drive-size socket sets.\u003c\/p\u003e\u003cp\u003eThis adapter fits into standard 1\/4 inch square drive impact tools and accepts 3\/8 inch drive impact sockets, expanding the usable socket range of compact impact drivers and wrenches. It is well-suited for residential and commercial service work where a technician carries a single driver but needs access to both 1\/4 inch and 3\/8 inch drive sockets. The magnetized design helps retain sockets during use, reducing dropped hardware in tight spaces or overhead work.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eForged steel construction for durability in high-torque impact applications\u003c\/li\u003e\n\u003cli\u003eConverts 1\/4 inch square drive tools to 3\/8 inch drive impact sockets\u003c\/li\u003e\n\u003cli\u003eLaser-etched size markings for fast visual identification\u003c\/li\u003e\n\u003cli\u003eDual-hole design and ring groove for secure, easy socket attachment and removal\u003c\/li\u003e\n\u003cli\u003eMagnetized to help retain sockets during use\u003c\/li\u003e\n\u003cli\u003eMeets ASME industry standards for socket adapters\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use with 1\/4 inch square drive impact tools and 3\/8 inch drive impact sockets. Compatible with SHOCKWAVE Impact Duty socket sets and other standard impact-rated drive accessories.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eThis adapter is intended for impact-rated use only and should not be substituted with standard chrome adapters in impact driver or impact wrench applications. Inspect the ring groove and retention holes before use to confirm the socket locks securely. Always verify drive size compatibility between the tool, adapter, and socket before applying torque to avoid tool damage or fastener slip.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive Size (Input)\u003c\/strong\u003e: 1\/4 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Drive Size\u003c\/strong\u003e: 3\/8 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Style\u003c\/strong\u003e: Square\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication Type\u003c\/strong\u003e: Impact\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Forged Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor Finish\u003c\/strong\u003e: Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetized\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDepth\u003c\/strong\u003e: 0.96 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e: China\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: MILWAUKEE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 49-66-6720\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MILWAUKEE","offers":[{"title":"Default Title","offer_id":51138310439218,"sku":"49-66-6720","price":26.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/305533946.png?v=1778253087","url":"https:\/\/voomisupply.com\/products\/milwaukee-49-66-6720-impact-drive-adapter-1-4-to-3-8-inch","provider":"Voomi Supply","version":"1.0","type":"link"}