{"product_id":"williams-comfort-products-qzo42a-torque-wrench-head","title":"Williams Comfort Products QZO42A Torque Wrench Head","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe WILLIAMS COMFORT PRODUCTS QZO42A is an open-end torque wrench head designed for precision fastening in demanding trade applications. Built to a 1 5\/16 inch open-end head size, it accommodates a Z-type shank with a 0.990 inch shank diameter and delivers a maximum torque output of 480 ft-lb. The center of fastener to retaining pin measures 5 3\/4 inches. This wrench head is intended for use with compatible torque wrench drives and is suited for mechanical, HVAC, and industrial service work where controlled torque is required on large fasteners.\u003c\/p\u003e\n\u003cp\u003eThis torque wrench head is appropriate for residential and commercial service environments where high-torque fastening tasks are performed. It is commonly used by HVAC technicians, pipefitters, and industrial mechanics working on equipment that demands accurate torque application to large SAE fasteners. Its open-end design allows access to fasteners in confined or partially obstructed locations where a closed wrench head would not fit.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e1 5\/16 inch open-end head for large SAE fastener applications\u003c\/li\u003e\n  \u003cli\u003eMaximum torque rating of 480 ft-lb for heavy-duty fastening\u003c\/li\u003e\n  \u003cli\u003eZ-type shank with 0.990 inch shank diameter for drive compatibility\u003c\/li\u003e\n  \u003cli\u003eCenter of fastener to retaining pin: 5 3\/4 inches\u003c\/li\u003e\n  \u003cli\u003eCompact profile at 0.55 inch height for use in tight clearances\u003c\/li\u003e\n  \u003cli\u003eLightweight construction at 1.45 pounds for extended use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use with torque wrench drives accepting a Z-type shank at 0.990 inch diameter. Verify shank interface compatibility with the drive tool before installation.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a qualified mechanic or service technician familiar with torque wrench tooling. Ensure the shank is fully seated and the retaining pin is properly engaged before applying torque. Do not exceed the rated maximum torque of 480 ft-lb to avoid tool damage or fastener failure. Inspect the wrench head for wear or damage before each use.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHead Size\u003c\/strong\u003e: 1 5\/16 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHead Type\u003c\/strong\u003e: Open End\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Size\u003c\/strong\u003e: 0.990 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Z\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Torque\u003c\/strong\u003e: 480 ft-lb\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCenter of Fastener to Retaining Pin\u003c\/strong\u003e: 5 3\/4 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard\u003c\/strong\u003e: SAE\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 7.68 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e: 2.64 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight\u003c\/strong\u003e: 0.55 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 1.45 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: WILLIAMS COMFORT PRODUCTS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: QZO42A\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WILLIAMS COMFORT PRODUCTS","offers":[{"title":"Default Title","offer_id":51342967275826,"sku":"QZO42A","price":157.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/310544689.jpg?v=1782012213","url":"https:\/\/voomisupply.com\/products\/williams-comfort-products-qzo42a-torque-wrench-head","provider":"Voomi Supply","version":"1.0","type":"link"}