{"product_id":"allied-tm25028-thread-mill-1-4-28-internal-3-flute-tialn","title":"Allied TM25028 Thread Mill 1\/4-28 Internal 3 Flute Tialn","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe ALLIED MACHINE AND ENGINEERING TM25028 is a solid carbide helical flute thread mill designed for cutting internal UNF threads in a single helical pass. Built for CNC machining centers, this tool cuts 1\/4-28 UNF internal threads using three right-hand flutes and a TiAlN coating for extended tool life in ferrous and nonferrous materials. The cutting diameter measures 0.18 inches with a 0.187-inch shank diameter, and the tool runs 28 teeth per inch. At 2.5 inches overall length with a 0.5-inch length of cut, it suits a wide range of standard workpiece depths encountered in production and job-shop environments.\u003c\/p\u003e\n\u003cp\u003eThis thread mill is intended for use in CNC machining operations where thread milling is preferred over tapping — particularly in hard materials, blind holes, or applications requiring tight thread tolerances. The helical interpolation method allows a single tool to produce the full thread profile by following a programmed helical path. Machinists and CNC programmers in manufacturing, tooling, and precision machining shops are the primary users of this tool.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eCuts 1\/4-28 UNF internal threads with 28 teeth per inch via helical interpolation\u003c\/li\u003e\n  \u003cli\u003eSolid carbide construction for rigidity and wear resistance\u003c\/li\u003e\n  \u003cli\u003eTiAlN coating improves heat resistance and extends tool life in ferrous materials\u003c\/li\u003e\n  \u003cli\u003eThree right-hand helical flutes for efficient chip evacuation\u003c\/li\u003e\n  \u003cli\u003e0.187-inch shank diameter compatible with standard collet and end mill holders\u003c\/li\u003e\n  \u003cli\u003eNo coolant-through — suitable for flood or mist coolant external delivery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style thread milling solution for CNC machining centers capable of helical interpolation and programmed for 1\/4-28 UNF internal thread profiles.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eTool setup and operation should be performed by a qualified CNC machinist or tooling programmer. Secure the shank in a precision collet or end mill holder rated for the 0.187-inch shank diameter and verify runout before cutting. Program the machine for helical interpolation — do not use this tool in a conventional drilling or tapping cycle. Apply flood or mist coolant externally; this tool does not support coolant-through delivery.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 1\/4-28\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: UNF\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Type\u003c\/strong\u003e: Internal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTeeth Per Inch\u003c\/strong\u003e: 28\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCutting Diameter\u003c\/strong\u003e: 0.18 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.187 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Nominal Diameter\u003c\/strong\u003e: 0.25 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength of Cut\u003c\/strong\u003e: 0.5 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 2.5 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Solid Carbide\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating\u003c\/strong\u003e: TiAlN\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.1 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 23242117\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: ALLIED MACHINE AND ENGINEERING\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: TM25028\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ALLIED MACHINE AND ENGINEERING","offers":[{"title":"Default Title","offer_id":51731939459378,"sku":"TM25028","price":182.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/6eb62bde9908dc34c7329b9bf4ee5c45.jpg?v=1788736951","url":"https:\/\/voomisupply.com\/products\/allied-tm25028-thread-mill-1-4-28-internal-3-flute-tialn","provider":"Voomi Supply","version":"1.0","type":"link"}