{"product_id":"tweco-1260-1631-slip-on-copper-mig-nozzle-450a-5-8-inch","title":"Tweco 1260-1631 Slip-on Copper Mig Nozzle 450A 5\/8 Inch","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe TWECO 1260-1631 is a self-insulated slip-on copper welding nozzle engineered for standard gas diffuser assemblies in heavy-duty MIG welding applications. Rated up to 450 amps, the nozzle features a 5\/8-inch (0.625-inch) bore and measures 3.383 inches in length with a 0.97-inch outer diameter. Construction uses a three-piece design: a nozzle housing cut and formed from 122 DHP copper alloy tubing, a nozzle insert machined from solid brass and crimped in place, and a nozzle insulator constructed from G7 silicone material. No additional insulator is required. The part number is roll-stamped on the exterior surface for easy identification in the field. Sold in a pack of 2.\u003c\/p\u003e\u003cp\u003eThis nozzle is suited for heavy-duty MIG welding environments where sustained high-amperage output and reliable gas shielding are required. The recessed contact tip relationship of 0.125 to 0.156 inches makes it appropriate for higher heat applications, longer electrical stick-out scenarios, and situations where the nozzle may contact the workpiece — such as tack, spot, and stitch welding. The slip-on mounting design allows the nozzle to slide over the metal spring integrated into the gas diffuser, simplifying swap-outs during production welding cycles. The silicone insulator provides the electrical isolation needed between the nozzle housing and the gas diffuser body.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRated up to 450 amps for heavy-duty MIG welding service\u003c\/li\u003e\n\u003cli\u003eThree-piece design eliminates the need for a separate insulator\u003c\/li\u003e\n\u003cli\u003eNozzle housing formed from 122 DHP copper alloy tubing for conductivity and durability\u003c\/li\u003e\n\u003cli\u003eNozzle insert machined from solid brass, crimped in place for secure fitment over the gas diffuser spring\u003c\/li\u003e\n\u003cli\u003eG7 silicone nozzle insulator provides reliable electrical isolation from the gas diffuser\u003c\/li\u003e\n\u003cli\u003ePart number roll-stamped on exterior surface for fast field identification\u003c\/li\u003e\n\u003cli\u003eRecessed tip geometry suited for high-heat, longer stick-out, and contact-welding applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a slip-on replacement nozzle for standard gas diffuser assemblies compatible with TWECO EL24I series MIG guns rated up to 450 amps.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation and replacement should be performed by a qualified welding equipment technician or trained welder. Disconnect and de-energize the welding power source before servicing front-end consumables. Allow the nozzle to cool fully before handling to avoid burns. Slide the nozzle over the gas diffuser spring until fully seated — do not force or overtighten, as the slip-on design relies on the spring-retention fit of the diffuser assembly.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage Rating\u003c\/strong\u003e: 450 amps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBore Size\u003c\/strong\u003e: 0.625 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNozzle Length\u003c\/strong\u003e: 3.383 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Diameter\u003c\/strong\u003e: 0.97 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecessed Tip Relationship\u003c\/strong\u003e: 0.125 to 0.156 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNozzle Housing Material\u003c\/strong\u003e: 122 DHP 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\u003eInsulator Material\u003c\/strong\u003e: G7 silicone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.38 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 2 per pack\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: 1260-1631\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TWECO","offers":[{"title":"Default Title","offer_id":51342887616818,"sku":"1260-1631","price":66.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/310546051.jpg?v=1782009692","url":"https:\/\/voomisupply.com\/products\/tweco-1260-1631-slip-on-copper-mig-nozzle-450a-5-8-inch","provider":"Voomi Supply","version":"1.0","type":"link"}