{"product_id":"tweco-1230-1011-mig-welding-nozzle-1-2-inch-bore-450a","title":"Tweco 1230-1011 Mig Welding Nozzle 1\/2 Inch Bore 450A","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe TWECO 1230-1011 is a Weldskill 23 Series MIG welding nozzle built for standard gas diffuser setups in medium to heavy duty welding applications rated up to 450 amps. The nozzle features a 1\/2 inch bore, measures 3.219 inches in length, and has a 0.875 inch outer diameter. Construction follows a 3-piece design: a nozzle housing cut and formed from copper alloy tubing, a nozzle insert machined from solid brass, and a nozzle insulator constructed from G7 silicone material. The part number is rolled and stamped on the outer surface for quick field identification. This nozzle is installed by certified welding professionals and MIG technicians maintaining gun consumable components. Sold as 2 per pack.\u003c\/p\u003e\u003cp\u003eThe TWECO 1230-1011 is suited for medium to heavy duty MIG welding environments where reliable shielding gas coverage and consistent arc performance are required. The 9\/16 inch-18 UNC-2B thread size allows the nozzle to thread directly onto the conductor tube assembly. The nozzle insert is crimped in place, enabling the nozzle to slide over the metal spring that is part of the gas diffuser. The recess contact tip relationship of 0.125 to 0.156 inches supports proper arc geometry for applications running up to 450 A. The G7 silicone insulator provides the electrical isolation needed between the nozzle and the gas diffuser without requiring an additional separate insulator component.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e3-piece design includes copper alloy nozzle housing, solid brass nozzle insert, and G7 silicone nozzle insulator\u003c\/li\u003e\n\u003cli\u003eRated for welding applications up to 450 amps\u003c\/li\u003e\n\u003cli\u003e1\/2 inch bore with 0.875 inch outer diameter for consistent shielding gas flow\u003c\/li\u003e\n\u003cli\u003e9\/16 inch-18 UNC-2B thread size threads directly onto conductor tube assembly\u003c\/li\u003e\n\u003cli\u003eNozzle insert machined from solid brass and crimped in place for secure fitment over gas diffuser spring\u003c\/li\u003e\n\u003cli\u003ePart number rolled and stamped on outer surface for easy identification in the field\u003c\/li\u003e\n\u003cli\u003eSold as 2 per pack\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a replacement nozzle for TWECO Weldskill 23 Series MIG welding guns using standard gas diffuser assemblies. Compatible with conductor tube assemblies using a 9\/16 inch-18 UNC-2B thread and a matching OD thread profile.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eThis nozzle is installed by qualified welding equipment technicians or experienced MIG welders performing gun consumable maintenance. Always power down and disconnect the welding machine before replacing nozzle components. Thread the nozzle onto the conductor tube assembly by hand to avoid cross-threading, then snug firmly without over-torquing. Inspect the gas diffuser and contact tip condition at the same time to ensure full system performance after reinstallation.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBore Size\u003c\/strong\u003e: 1\/2 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNozzle Length\u003c\/strong\u003e: 3.219 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Diameter\u003c\/strong\u003e: 0.875 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 9\/16 inch-18 UNC-2B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecess Contact Tip Relationship\u003c\/strong\u003e: 0.125 to 0.156 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Rating\u003c\/strong\u003e: 450 amps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNozzle Housing Material\u003c\/strong\u003e: Copper alloy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNozzle Insert Material\u003c\/strong\u003e: Solid brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNozzle Insulator Material\u003c\/strong\u003e: G7 silicone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 2 per pack\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.22 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC\u003c\/strong\u003e: 608246287768\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: TWECO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 1230-1011\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TWECO","offers":[{"title":"Default Title","offer_id":51346571854130,"sku":"1230-1011","price":27.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/310545924.jpg?v=1782084061","url":"https:\/\/voomisupply.com\/products\/tweco-1230-1011-mig-welding-nozzle-1-2-inch-bore-450a","provider":"Voomi Supply","version":"1.0","type":"link"}