{"product_id":"iscar-6403940-single-point-threading-tool-internal-carbide","title":"Iscar 6403940 Single Point Threading Tool Internal Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe ISCAR 6403940 is a solid carbide single point threading tool designed for internal thread cutting operations. It handles a thread range of 36 to 48 TPI with a 60-degree profile angle, making it suitable for fine-pitch internal threading on small-diameter bores. The minimum threading diameter is 0.126 inches, and the cutting depth reaches 0.3937 inches. Overall length is 0.945 inches, with a projection from edge of 0.02 inches. The tool carries a TiAlN and TiN coating for wear resistance and thermal stability during cutting. This tool is installed by machinists and CNC lathe operators working on precision threading applications.\u003c\/p\u003e\u003cp\u003eThis threading tool is used in internal threading operations on small bores, typically in precision machined components such as fittings, fasteners, and instrument housings. It suits right-hand thread applications with a pitch range of 0.50 mm to 0.75 mm. The solid carbide construction supports use in both manual and CNC lathe setups where consistent thread form and dimensional accuracy are required. The TiAlN and TiN finish supports extended tool life in ferrous and non-ferrous materials.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSolid carbide construction for rigidity and wear resistance in small-bore internal threading\u003c\/li\u003e\n\u003cli\u003e60-degree profile angle for standard unified and metric thread forms\u003c\/li\u003e\n\u003cli\u003eTPI range of 36 to 48 covers fine-pitch internal threads\u003c\/li\u003e\n\u003cli\u003eTiAlN and TiN dual coating improves thermal and abrasion resistance\u003c\/li\u003e\n\u003cli\u003eMinimum threading diameter of 0.126 inches suits small-bore applications\u003c\/li\u003e\n\u003cli\u003eRight-hand thread direction with no coolant-through requirement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement or direct-application solid carbide threading insert for internal single point threading operations on CNC and manual lathes accepting this tool geometry.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eThis tool is installed by qualified machinists or CNC operators. Ensure the machine spindle is fully stopped and locked out before changing or setting tooling. Secure the tool firmly in the toolholder to the correct projection before beginning a threading pass. Verify thread pitch and TPI settings against the workpiece specification before initiating the cut.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Type\u003c\/strong\u003e: Internal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Solid Carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfile Angle\u003c\/strong\u003e: 60 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Threading Diameter\u003c\/strong\u003e: 0.126 inches (3.20 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Depth\u003c\/strong\u003e: 0.3937 inches (10.00 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Threads Per Inch\u003c\/strong\u003e: 36 TPI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Threads Per Inch\u003c\/strong\u003e: 48 TPI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Pitch\u003c\/strong\u003e: 0.50 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Pitch\u003c\/strong\u003e: 0.75 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 0.945 inches (24.00 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 4.00 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProjection from Edge\u003c\/strong\u003e: 0.02 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProjection from Center\u003c\/strong\u003e: 0.0394 inches (1.00 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat Width\u003c\/strong\u003e: 0.002 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: TiAlN and TiN\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: 0.011 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: ISCAR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 6403940\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ISCAR","offers":[{"title":"Default Title","offer_id":51728854581554,"sku":"6403940","price":82.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/548b3f18a2f88b18a79d8cd420bcf83f.jpg?v=1788696916","url":"https:\/\/voomisupply.com\/products\/iscar-6403940-single-point-threading-tool-internal-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}