{"product_id":"hertel-r127905k-pipe-tap-1-1-4-11-1-2-npt-5-flute-hss","title":"Hertel R127905K Pipe Tap 1-1\/4 11-1\/2 Npt 5 Flute Hss","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe HERTEL R127905K is an interrupted thread pipe tap designed to cut 1-1\/4 inch to 11-1\/2 NPT internal pipe threads in metal workpieces. It is manufactured from high speed steel with a chrome plated finish that improves lubricity and chip evacuation during the tapping operation. The 5-flute interrupted thread design reduces cutting torque, lowers heat buildup, and helps break chips in tough or gummy materials. At 4 inches overall length with a 1.3125-inch shank diameter, this tap is sized for use in larger pipe thread applications where a rigid setup and proper tapping lubricant are essential. Machinists, pipefitters, and maintenance professionals working with 1-1\/4 inch NPT fittings reach for this tap when threading steel, cast iron, or similar ferrous stock.\u003c\/p\u003e\n\u003cp\u003eThis tap is used wherever 1-1\/4 inch NPT internal pipe threads must be cut or reconditioned in a shop or field environment. Typical applications include threading steel pipe flanges, manifolds, valve bodies, and pipe end fittings. The interrupted thread geometry makes it particularly well suited for through-hole tapping in materials that produce long, stringy chips. It performs in both manual tapping setups and machine tapping operations when used with a suitable tapping attachment and cutting fluid. Plumbers, pipefitters, and industrial maintenance technicians are the primary installers of this tool.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eInterrupted thread geometry reduces cutting torque and breaks chips during through-hole tapping\u003c\/li\u003e\n  \u003cli\u003e5-flute configuration provides increased thread contact and cutting stability in larger pipe sizes\u003c\/li\u003e\n  \u003cli\u003eChrome plated finish improves surface lubricity and reduces built-up edge on the cutting faces\u003c\/li\u003e\n  \u003cli\u003eHigh speed steel construction maintains hardness and edge retention at elevated cutting temperatures\u003c\/li\u003e\n  \u003cli\u003eRegular hook geometry suits general-purpose ferrous and non-ferrous tapping applications\u003c\/li\u003e\n  \u003cli\u003e1.3125-inch shank diameter and 0.9840-inch square size accommodate standard large-tap holding equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for cutting 1-1\/4 inch to 11-1\/2 NPT internal pipe threads in accordance with the NPT thread standard. Compatible with tapping handles, drill press tapping attachments, and CNC or manual tapping machines equipped to accept a 1.3125-inch shank diameter.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThis tap should be used by qualified machinists or pipefitters familiar with proper tapping procedures. Always secure the workpiece firmly and align the tap perpendicular to the drilled hole before beginning the cut. Apply a suitable cutting fluid throughout the operation to reduce heat and extend tool life. Back the tap off periodically to break and clear chips, and never force a tap that has seized — back it out immediately to avoid breakage.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 1-1\/4 to 11-1\/2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: NPT\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 5\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 4 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Length\u003c\/strong\u003e: 1-3\/4 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 1.3125 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSquare Size\u003c\/strong\u003e: 0.9840 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHook\u003c\/strong\u003e: Regular\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: High Speed Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: Chrome Plated\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.2 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: HERTEL\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: R127905K\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HERTEL","offers":[{"title":"Default Title","offer_id":51738546929970,"sku":"R127905K","price":344.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/cb8d9973ed63a785fb686f01a72cace2.jpg?v=1788800869","url":"https:\/\/voomisupply.com\/products\/hertel-r127905k-pipe-tap-1-1-4-11-1-2-npt-5-flute-hss","provider":"Voomi Supply","version":"1.0","type":"link"}