{"product_id":"accupro-775434-shell-mill-holder-cat40-taper-shank","title":"Accupro 775434 Shell Mill Holder CAT40 Taper Shank","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe ACCUPRO 775434 is a CAT40 taper shank shell mill holder designed for milling operations on vertical and horizontal machining centers. It features a 1-1\/4 inch pilot diameter and a projection of 4 inches from flange to nose end. Through-spindle and DIN flange coolant delivery are both supported, directing coolant directly to the cutting zone for improved tool life and chip evacuation. The holder maintains a TIR of 0.0002 inches, providing the runout accuracy required for face milling and shell mill operations. A 5\/8-18 lock screw thread secures the shell mill body. This holder is installed by CNC machinists and setup technicians in production and job-shop environments.\u003c\/p\u003e\n\u003cp\u003eThe 775434 is suited for face milling and surface finishing applications where shell mills in the 3 to 3-1\/2 inch cutting diameter range are used. It fits machining centers equipped with CAT40 spindles, which are common in mid-size vertical machining centers (VMCs) and horizontal machining centers (HMCs) across both job shop and production floor settings. The through-spindle and DIN flange dual coolant configuration makes it appropriate for cutting ferrous and non-ferrous materials where coolant management at the tool face is a priority.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eCAT40 taper shank for compatibility with standard CAT40 spindle tooling systems\u003c\/li\u003e\n  \u003cli\u003e1-1\/4 inch pilot diameter supports shell mills in the 3 to 3-1\/2 inch cutting diameter range\u003c\/li\u003e\n  \u003cli\u003eTIR of 0.0002 inches for accurate, low-runout shell mill engagement\u003c\/li\u003e\n  \u003cli\u003eDual coolant delivery via through-spindle and DIN flange configurations\u003c\/li\u003e\n  \u003cli\u003e4 inch projection from flange to nose end for clearance in typical milling setups\u003c\/li\u003e\n  \u003cli\u003e5\/8-18 lock screw thread for positive shell mill retention\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style shell mill holder for machining centers with CAT40 spindle interfaces, accepting shell mills with a 1-1\/4 inch pilot bore in the 3 to 3-1\/2 inch cutting diameter range.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation and tool changes should be performed by a qualified CNC machinist or toolroom technician with the spindle fully stopped and the machine in a safe, locked-out state. Use a properly rated tool presetter or torque wrench on the lock screw to the shell mill manufacturer specification — do not over-torque or improvise with substitute fasteners. Clean the CAT40 taper and spindle bore thoroughly before seating the holder to protect TIR performance. Verify runout at the pilot nose with a dial indicator after installation before returning the machine to cycle.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: CAT40 Taper\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePilot Diameter\u003c\/strong\u003e: 1-1\/4 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShell Mill Cutting Diameter Range\u003c\/strong\u003e: 3 to 3-1\/2 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProjection Flange to Nose End\u003c\/strong\u003e: 4 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTIR\u003c\/strong\u003e: 0.0002 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoolant Type\u003c\/strong\u003e: Through-Spindle and DIN Flange\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLock Screw Thread Size\u003c\/strong\u003e: 5\/8-18\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 1 pound\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: 775434\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACCUPRO","offers":[{"title":"Default Title","offer_id":51736838013234,"sku":"775434","price":186.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/2e443a832d946c05f673c61d6bdaa5f4.jpg?v=1788780916","url":"https:\/\/voomisupply.com\/products\/accupro-775434-shell-mill-holder-cat40-taper-shank","provider":"Voomi Supply","version":"1.0","type":"link"}