{"product_id":"accupro-930-31224-thread-mill-5-16-24-internal-solid-carbide","title":"Accupro 930-31224 Thread Mill 5\/16-24 Internal Solid Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe ACCUPRO 930-31224 is a helical flute thread mill designed for cutting internal 5\/16-24 UNF threads in demanding machining applications. Built from micrograin solid carbide, it delivers the rigidity and wear resistance required for accurate thread forms in hardened or abrasive workpiece materials. The tool features a 0.235-inch cutting diameter, a 0.75-inch length of cut, and a TiAlN coating that extends tool life by reducing heat buildup at the cutting edge. With 3 flutes and 24 teeth per inch, it produces clean, consistent thread geometry in a single helical interpolation pass on a CNC machining center.\u003c\/p\u003e\n\u003cp\u003eThis thread mill is suited for job shops, production machining, and toolroom applications where internal UNF threads are required in steel, stainless, aluminum, or similar machinable materials. Its 0.25-inch shank diameter fits standard collet chucks and shrink-fit holders commonly found on vertical and horizontal machining centers. The helical flute design promotes chip evacuation during the threading cycle, making it a practical choice for blind-hole and through-hole applications where chip packing is a concern.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eMicrograin solid carbide construction for rigidity and extended tool life\u003c\/li\u003e\n  \u003cli\u003eTiAlN coating reduces thermal wear and improves performance in ferrous materials\u003c\/li\u003e\n  \u003cli\u003e3-flute helical design promotes efficient chip evacuation\u003c\/li\u003e\n  \u003cli\u003eCuts 5\/16-24 UNF internal threads in a single CNC interpolation pass\u003c\/li\u003e\n  \u003cli\u003e0.235-inch cutting diameter with 0.75-inch length of cut\u003c\/li\u003e\n  \u003cli\u003eNo coolant-through requirement simplifies setup on standard machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use on CNC machining centers capable of helical interpolation; compatible with standard 0.25-inch collet chucks and shrink-fit toolholders for internal 5\/16-24 UNF thread milling applications.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation and operation should be performed by a qualified CNC machinist or toolroom professional. Secure the 0.25-inch shank in a properly sized, balanced toolholder and verify runout before cutting. Program a helical interpolation toolpath sized to the cutting diameter and thread pitch; do not use this tool in a rigid tapping cycle. Follow machine tool manufacturer guidelines for spindle speed and feed rate based on workpiece material.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 5\/16-24\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Type\u003c\/strong\u003e: Internal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: UNF\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTeeth Per Inch\u003c\/strong\u003e: 24\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCutting Diameter\u003c\/strong\u003e: 0.235 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength of Cut\u003c\/strong\u003e: 0.75 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Nominal Diameter\u003c\/strong\u003e: 0.3125 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.25 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Solid Carbide (Micrograin)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\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: 0.4 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: ACCUPRO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 930-31224\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACCUPRO","offers":[{"title":"Default Title","offer_id":51737877971250,"sku":"930-31224","price":314.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/dd7c958d46582f97a8f2c38829e67dd0.jpg?v=1788794762","url":"https:\/\/voomisupply.com\/products\/accupro-930-31224-thread-mill-5-16-24-internal-solid-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}