{"product_id":"seco-03115986-square-end-mill-3-4-in-6-flute-solid-carbide-scs638","title":"Seco 03115986 Square End Mill 3\/4 in 6 Flute Solid Carbide SCS638","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe SECO 03115986 is a solid carbide square end mill designed for high-performance milling in demanding metalworking applications. With a 0.750 inch mill diameter, a 2.5 inch length of cut, and a 5 inch overall length, this tool handles deep-reach finishing and semi-finishing passes where rigidity and tool life are critical. The AlTiN coating delivers elevated heat resistance, making it well suited for dry or high-speed machining of ferrous materials. The micrograin carbide substrate supports sharp edge retention at elevated cutting temperatures. Six spiral flutes with a chipbreaker geometry and variable helix reduce chatter and improve chip evacuation. Installed by machinists and tool room technicians in CNC machining centers and manual mills.\u003c\/p\u003e\u003cp\u003eThis end mill is built for production milling in steel, stainless steel, cast iron, and similar hard materials where heat buildup and tool deflection are primary concerns. The long flute length and 4.0 inch reach support slotting, profiling, and side milling in deeper cavities without excessive tool stickout. The straight-cylindrical shank seats securely in standard 3\/4 inch collets or end mill holders. Right-hand cut and right-hand flute geometry follow conventional milling conventions. The centercutting design allows plunge entry without a pre-drilled start hole, adding operational flexibility on the shop floor.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSolid micrograin carbide construction for superior hardness and edge retention\u003c\/li\u003e\n\u003cli\u003eAlTiN coating for high heat resistance in dry and high-speed cutting\u003c\/li\u003e\n\u003cli\u003e6 spiral flutes with chipbreaker geometry to reduce chatter and improve chip flow\u003c\/li\u003e\n\u003cli\u003eVariable helix angle minimizes harmonic vibration during long-reach cuts\u003c\/li\u003e\n\u003cli\u003eCentercutting design allows direct plunge entry into workpiece material\u003c\/li\u003e\n\u003cli\u003e4.0 inch reach length supports deep-cavity profiling and slotting operations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a direct-fit replacement or production tooling choice for any machine tool accepting a 3\/4 inch straight-cylindrical shank, including standard collet chucks and end mill holders used in CNC vertical and horizontal machining centers. Part of the SECO Series SCS638 long-length end mill family.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by qualified machinists following the machine tool manufacturer's toolholding torque and runout specifications. Power down and lock out the spindle before inserting or removing the end mill. Ensure the collet or holder bore is clean and free of chips before seating the shank to maintain concentricity and prevent premature wear. Verify shank engagement depth meets minimum clamping requirements specified by the toolholder manufacturer before initiating a cut.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMill Diameter\u003c\/strong\u003e: 0.7500 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMill Diameter Tolerance\u003c\/strong\u003e: +0.000 to -0.002 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.7500 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter Tolerance\u003c\/strong\u003e: -0.0001 to -0.0004 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength of Cut\u003c\/strong\u003e: 2.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length Tolerance\u003c\/strong\u003e: +0.060 \/ -0.060 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReach Length\u003c\/strong\u003e: 4.0 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Type\u003c\/strong\u003e: Spiral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd Type\u003c\/strong\u003e: Single End\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCentercutting\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChipbreaker\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Helix\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Index\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Reach\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd Mill Material\u003c\/strong\u003e: Solid Carbide, Micrograin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: AlTiN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength Type\u003c\/strong\u003e: Long\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: SCS638\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 1.16 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 27112803\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: SECO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 03115986\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SECO TOOLS","offers":[{"title":"Default Title","offer_id":51558087033138,"sku":"03115986","price":390.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/7a9091b5f30065b46121dc75b5d8a1f3.jpg?v=1786402999","url":"https:\/\/voomisupply.com\/products\/seco-03115986-square-end-mill-3-4-in-6-flute-solid-carbide-scs638","provider":"Voomi Supply","version":"1.0","type":"link"}