{"product_id":"klein-tools-640-9-16-hollow-shaft-nut-driver-9-16-inch","title":"Klein Tools 640-9\/16 Hollow Shaft Nut Driver 9\/16 Inch","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe KLEIN TOOLS 640-9\/16 is a hollow shaft nut driver built for trade professionals who need reach and control in tight fastening applications. The 9\/16-inch drive size pairs with a 4-inch shank length to give technicians access to deep-set nuts and bolts without interference from threaded rod or long fasteners extending through. The shank is heat-treated, tempered, chrome-plated steel, and the handle is a cushion-grip design with an orange plastic dipped finish for secure handling during extended use. This is a hand tool intended for HVAC, electrical, and mechanical service work.\u003c\/p\u003e\u003cp\u003eThis nut driver is suited for residential and light commercial service environments where a 9\/16-inch fastener is common. HVAC technicians, electricians, and plumbers reach for hollow shaft drivers when working with long machine screws or threaded studs. The 4-inch shank provides enough clearance for panel work, equipment access covers, and equipment mounting hardware without requiring a socket set or ratchet.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eHollow shaft design accommodates long threaded fasteners and studs\u003c\/li\u003e\n\u003cli\u003e9\/16-inch drive size for common trade fastener applications\u003c\/li\u003e\n\u003cli\u003e4-inch heat-treated, tempered, chrome-plated steel shank\u003c\/li\u003e\n\u003cli\u003eCushion-grip orange plastic handle for comfort and control\u003c\/li\u003e\n\u003cli\u003ePlastic-dipped shank finish for corrosion resistance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for general-purpose use with 9\/16-inch hex fasteners in HVAC, electrical, and mechanical service applications where a hollow shaft nut driver is required.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eAlways de-energize electrical panels and equipment before using hand tools in live work areas in accordance with applicable NFPA 70E safe work practice guidelines. Confirm the drive size matches the fastener head before applying torque to avoid rounding. Inspect the shank and handle for damage before each use and remove the tool from service if cracking or deformation is observed.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive Size\u003c\/strong\u003e: 9\/16 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Length\u003c\/strong\u003e: 4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShaft Type\u003c\/strong\u003e: Hollow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Material\u003c\/strong\u003e: Heat-treated tempered chrome-plated steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandle Material\u003c\/strong\u003e: Plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandle Type\u003c\/strong\u003e: Cushion grip\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandle Color\u003c\/strong\u003e: Orange\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.6 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: KLEIN TOOLS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 640-9\/16\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KLEIN TOOLS","offers":[{"title":"Default Title","offer_id":51346337857842,"sku":"640-9\/16","price":164.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/310503219.jpg?v=1782077812","url":"https:\/\/voomisupply.com\/products\/klein-tools-640-9-16-hollow-shaft-nut-driver-9-16-inch","provider":"Voomi Supply","version":"1.0","type":"link"}