{"product_id":"accupro-311594-square-end-mill-1-2-in-5-flute-solid-carbide","title":"Accupro 311594 Square End Mill 1\/2 in 5 Flute Solid Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe ACCUPRO 311594 is a 5-flute, solid carbide square end mill designed for high-performance milling in demanding machining environments. With a 0.5-inch (12.70 mm) mill diameter, a 0.625-inch length of cut, and a 38-degree helix angle, this tool delivers aggressive material removal and improved chip evacuation. The AlTiCrN coating provides excellent heat and wear resistance, making it well-suited for harder workpiece materials and high-speed cutting conditions. The variable index flute spacing reduces harmonic vibration during cutting, contributing to better surface finish and longer tool life. It is a single-end design with a 0.5-inch shank diameter and 2.5-inch overall length.\u003c\/p\u003e\u003cp\u003eThis end mill is intended for use in CNC machining centers and manual milling machines where precision profiling, slotting, and peripheral milling are required. The centercutting capability allows for direct plunge entry into the workpiece. The HS series designation indicates this tool is optimized for high-speed machining applications, particularly in ferrous and hardened materials where coating performance and carbide grade matter. It is typically installed and used by machinists and CNC programmers in production shop environments.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e0.5-inch mill diameter with 0.625-inch length of cut for precise material engagement\u003c\/li\u003e\n\u003cli\u003e5-flute geometry with 38-degree helix angle for efficient chip evacuation and reduced vibration\u003c\/li\u003e\n\u003cli\u003eAlTiCrN coating for superior heat resistance and extended tool life in hard materials\u003c\/li\u003e\n\u003cli\u003eVariable index flute spacing minimizes chatter during high-speed cuts\u003c\/li\u003e\n\u003cli\u003eCentercutting design supports direct plunge milling operations\u003c\/li\u003e\n\u003cli\u003eMicrograin solid carbide construction provides hardness and rigidity across demanding applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement and standard-fit end mill for CNC machining centers and manual mills accepting a 0.5-inch straight shank toolholder or collet.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation and tool changes should be performed by a qualified machinist with the spindle fully stopped and the machine in a safe, powered-down state. Ensure the shank is fully seated and properly torqued in a compatible collet or end mill holder before operation. Verify runout with an indicator after clamping to confirm concentricity within acceptable tolerances for the application. Follow the machine manufacturer and tool manufacturer guidelines for speeds and feeds appropriate to the workpiece material and coating type.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMill Diameter\u003c\/strong\u003e: 0.5 inches (12.70 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength of Cut\u003c\/strong\u003e: 0.625 inches (15.88 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length (OAL)\u003c\/strong\u003e: 2.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelix Angle\u003c\/strong\u003e: 38 degrees\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\u003eCoating\/Finish\u003c\/strong\u003e: AlTiCrN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd Mill Material\u003c\/strong\u003e: Solid Carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: Micrograin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCentercutting\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Index\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Helix\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChipbreaker\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\u003eSeries\u003c\/strong\u003e: HS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.06 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: ACCUPRO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 311594\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACCUPRO","offers":[{"title":"Default Title","offer_id":51753615556914,"sku":"311594","price":104.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/0931b1e802dd37fbf092b0bb495a086e.jpg?v=1788938759","url":"https:\/\/voomisupply.com\/products\/accupro-311594-square-end-mill-1-2-in-5-flute-solid-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}