{"product_id":"greenlee-745h-1-2-round-knockout-punch-unit-0-885-in","title":"Greenlee 745H-1\/2 Round Knockout Punch Unit 0.885 in","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe GREENLEE 745H-1\/2 is a round knockout punch unit designed for creating clean, precise holes in electrical enclosures, panel boxes, and conduit bodies. Compatible with battery-operated and hydraulic knockout drivers, this unit punches a 0.885-inch diameter hole and handles mild steel up to 10 gauge and stainless steel up to 10 gauge. Each unit ships complete with a die, draw stud, and punch, giving the installer everything needed to complete the knockout in a single package. Licensed electricians and electrical contractors use this punch for conduit entry work in both new construction and retrofit installations.\u003c\/p\u003e\n\u003cp\u003eThis knockout punch unit is suited for residential and commercial electrical applications where consistent hole diameter and clean edges are required. It is driven by battery-operated hydraulic tools or dedicated hydraulic knockout sets, making it a practical choice for panel work, wireway installations, and enclosure fabrication. The 0.885-inch hole diameter is a standard size used for 1\/2-inch trade-size conduit fittings. The included die, draw stud, and punch mean no additional accessories are required for basic operation.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e0.885-inch round punch hole diameter for 1\/2-inch trade-size conduit entries\u003c\/li\u003e\n  \u003cli\u003eCompatible with battery-operated and hydraulic knockout drivers\u003c\/li\u003e\n  \u003cli\u003eMaximum material capacity of 10 gauge mild steel and 10 gauge stainless steel\u003c\/li\u003e\n  \u003cli\u003eSteel punch material for durability under repeated use\u003c\/li\u003e\n  \u003cli\u003eIncludes die, draw stud, and punch — complete unit ready for use\u003c\/li\u003e\n  \u003cli\u003eLightweight at 0.7 pounds for easy handling on the job\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement and standard knockout punch unit for use with battery-operated and hydraulic knockout driver systems that accept this punch diameter and draw stud size.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a licensed electrician in accordance with applicable NEC requirements. Power down and de-energize any panel or enclosure before punching. Secure the workpiece firmly before operating the hydraulic or battery driver to prevent movement during the punch cycle. Inspect the punch, die, and draw stud for wear or damage before each use and replace worn components to maintain hole quality and operator safety.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePunch Shape\u003c\/strong\u003e: Round\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePunch Type\u003c\/strong\u003e: Knockout\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Method\u003c\/strong\u003e: Battery and Hydraulic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePunch Hole Diameter\u003c\/strong\u003e: 0.885 inches (22.5 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Capacity Mild Steel\u003c\/strong\u003e: 10 Gauge\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePunch Material\u003c\/strong\u003e: Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncludes\u003c\/strong\u003e: Die, Draw Stud, Punch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.7 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: GREENLEE\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 745H-1\/2\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GREENLEE","offers":[{"title":"Default Title","offer_id":51542160671026,"sku":"745H-1\/2","price":382.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/deb838dd549c06147ee91cb346e18cb4.jpg?v=1785894078","url":"https:\/\/voomisupply.com\/products\/greenlee-745h-1-2-round-knockout-punch-unit-0-885-in","provider":"Voomi Supply","version":"1.0","type":"link"}