{"product_id":"keyless-drill-chuck-n472497-screw-dcd771-dcd777-dcd734-dcd776-dcd778-dw959-1","title":"1\/2\" Keyless Drill Chuck N472497 \u0026 Screw for DCD771 DCD777","description":"\n\u003ch2\u003e1\/2-Inch Keyless Drill Chuck \u0026amp; Screw Set – Part N472497\u003c\/h2\u003e\n\u003cp\u003eKeep your power drill performing at its best with this precision-made \u003cstrong\u003e1\/2-inch keyless drill chuck and retention screw set\u003c\/strong\u003e (Part No. N472497). Designed as a direct-fit replacement, this metal chuck set restores full bit-holding performance to compatible cordless drills — no key required for fast, secure bit changes on the job.\u003c\/p\u003e\n\n\u003cp\u003eMade in China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect-Fit Replacement:\u003c\/strong\u003e Engineered specifically for DCD771, DCD777, DCD734, DCD776, DCD778, and DW959K-2 cordless drills\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKeyless Design:\u003c\/strong\u003e Tool-free bit changes for fast, convenient operation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1\/2-Inch Chuck Size:\u003c\/strong\u003e Accepts a wide range of standard drill bits and driver accessories\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Metal Construction:\u003c\/strong\u003e Built to withstand repeated heavy-duty use\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOEM Part Number N472497:\u003c\/strong\u003e Easy to verify compatibility before ordering\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete Set:\u003c\/strong\u003e Includes both the chuck and the matching retention screw — everything you need for a full replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e N472497\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChuck Size:\u003c\/strong\u003e 1\/2 inch (keyless)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Metal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 2 pieces (1× Chuck + 1× Screw)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Models:\u003c\/strong\u003e DCD771, DCD777, DCD734, DCD776, DCD778, DW959K-2\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× 1\/2-Inch Keyless Drill Chuck\u003c\/li\u003e\n  \u003cli\u003e1× Retention Screw\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePlease verify your drill's model number against the compatibility list before purchasing.\u003c\/li\u003e\n  \u003cli\u003eSlight color variation may occur due to monitor display differences.\u003c\/li\u003e\n  \u003cli\u003eMinor measurement deviations of ±1–2mm may be present due to manual measurement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Tools \u0026amp; Accessories\u003c\/h3\u003e\n\u003cp\u003ePair this chuck with other handy workshop tools from our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/garden-pruner-shears-secateurs-bonsai-fruit-trees\"\u003eGarden Pruner Shears – Secateurs for Bonsai \u0026amp; Fruit Trees\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Which drill models is this 1\/2-inch keyless chuck compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This replacement chuck and screw set (Part N472497) is designed to fit the following cordless drill models: DCD771, DCD777, DCD734, DCD776, DCD778, and DW959K-2. Always double-check your drill's model number before ordering to ensure a proper fit.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is included in the package?\u003c\/h4\u003e\n\u003cp\u003eA: The set includes two pieces: one 1\/2-inch keyless drill chuck and one matching retention screw. Both components are required for a complete chuck replacement, so the full kit is included for your convenience.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this drill chuck easy to install?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The keyless design and standard screw retention make this a straightforward DIY replacement. Simply remove the old chuck using the included or existing screw, then install the new N472497 chuck securely. Basic hand tools are all that's required for most users.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which drill models is this 1\/2-inch keyless chuck compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This replacement chuck and screw set (Part N472497) is designed to fit the following cordless drill models: DCD771, DCD777, DCD734, DCD776, DCD778, and DW959K-2. Always double-check your drill's model number before ordering to ensure a proper fit.\"}}, {\"@type\": \"Question\", \"name\": \"What is included in the package?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The set includes two pieces: one 1\/2-inch keyless drill chuck and one matching retention screw. 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