{"product_id":"pro-source-315090011-tig-torch-back-cap-4-75-in","title":"Pro-source 315090011 Tig Torch Back Cap 4.75 in","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe PRO-SOURCE 315090011 is a long back cap designed for air-cooled TIG welding torches. The back cap threads onto the rear of the torch body to secure the tungsten electrode and seal the collet body from contamination. At 4.75 inches in length, this is a full-length cap that accommodates longer tungsten electrodes, giving the welder more usable tungsten before resetting. It is a standard replacement consumable installed by welders and welding maintenance techs during routine torch service or tungsten changes.\u003c\/p\u003e\n\u003cp\u003eThis back cap fits torch series 17, 18, and 26, which are among the most widely used air-cooled TIG torch configurations in light industrial, fabrication shop, and maintenance welding environments. It is suited for both bench welding setups and handheld applications where a full-length tungsten is preferred for extended reach or visibility in the weld joint. The cap weighs 0.04 pounds, making it a lightweight, low-profile component that does not add noticeable bulk to the torch handle.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eFull-length 4.75-inch cap accommodates longer tungsten electrodes\u003c\/li\u003e\n  \u003cli\u003eCompatible with torch series 17, 18, and 26\u003c\/li\u003e\n  \u003cli\u003eThreaded rear seal keeps collet body protected from debris and contamination\u003c\/li\u003e\n  \u003cli\u003eLightweight at 0.04 pounds for minimal added torch weight\u003c\/li\u003e\n  \u003cli\u003eStandard consumable form factor for fast field or shop replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use with TIG torch series 17, 18, and 26.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eBack cap replacement is performed by welders or torch maintenance personnel with the machine powered down and the gas supply off. Remove the existing cap by unthreading it from the torch body, extract or reposition the tungsten electrode as needed, then thread the new cap on hand-tight. Avoid cross-threading or overtightening, which can damage the torch body threads.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: Back Cap\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCap Length\u003c\/strong\u003e: 4.75 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e: 0.57 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.04 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFor Use With\u003c\/strong\u003e: Torch Series 17, 18, 26\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\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: PRO-SOURCE\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 315090011\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PRO-SOURCE","offers":[{"title":"Default Title","offer_id":51755149984050,"sku":"315090011","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/93bcc91b054463cb47415b5460832104.jpg?v=1788951569","url":"https:\/\/voomisupply.com\/products\/pro-source-315090011-tig-torch-back-cap-4-75-in","provider":"Voomi Supply","version":"1.0","type":"link"}