{"product_id":"jet-691411","title":"JET JTM-4VS-1 Mill with 3-Axis ACU-RITE 203 DRO (Knee) with X-Axis Powerfeed","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eJET JTM-4VS-1 Mill with 3-Axis ACU-RITE 203 DRO (Knee) with X-Axis Powerfeed\u003c\/strong\u003e is a professional-grade vertical milling machine from JET, engineered for machinists and shops that demand precision, repeatability, and durability in demanding milling operations. Built on a Certified Meehanite casting process foundation, this variable speed R-8 mill delivers consistent, reliable performance across a wide spindle speed range  -  from 60 to 4,200 RPM  -  making it equally capable for delicate finishing passes and aggressive material removal. The integrated ACU-RITE 203 3-axis DRO with knee readout and X-axis powerfeed streamline setup and operation, reducing manual effort and improving accuracy on every job.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAdjustable gibs throughout for precise fit and long-term accuracy retention\u003c\/li\u003e\n\u003cli\u003eHeavy duty splined motor drive for robust, reliable power transmission\u003c\/li\u003e\n\u003cli\u003eInternal coolant tank built into casting base for use with coolant system (coolant pump not included)\u003c\/li\u003e\n\u003cli\u003eLarge diameter quill is chromed for smooth travel and extended wear resistance\u003c\/li\u003e\n\u003cli\u003eOne shot lubrication system simplifies maintenance and protects critical moving components\u003c\/li\u003e\n\u003cli\u003ePrecision hardened and ground ways and table for exceptional dimensional accuracy and surface finish\u003c\/li\u003e\n\u003cli\u003eSpindle head is internally cooled to maintain consistent operating temperatures during extended use\u003c\/li\u003e\n\u003cli\u003eTolerance test sheet included for documented verification of machine accuracy at time of delivery\u003c\/li\u003e\n\u003cli\u003ePrecision bored and honed milling head ensures quality cuts on every pass\u003c\/li\u003e\n\u003cli\u003eThree-stage power downfeed with automatic stop for controlled, repeatable quill depth operations\u003c\/li\u003e\n\u003cli\u003e3-axis ACU-RITE 203 DRO with knee readout for real-time positional feedback across all axes\u003c\/li\u003e\n\u003cli\u003eX-axis powerfeed reduces operator fatigue during long longitudinal table traverses\u003c\/li\u003e\n\u003cli\u003eVariable speed drive provides stepless RPM adjustment from 60 to 4,200 RPM without changing belts\u003c\/li\u003e\n\u003cli\u003eAvailable in single phase power configuration (2 HP, 115\/230V, 1Ph) for flexible shop installation\u003c\/li\u003e\n\u003cli\u003eBacked by JET's industry-leading two-year full service and parts warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e JT9-691411\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStock Number:\u003c\/strong\u003e 691411\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle (Type):\u003c\/strong\u003e Variable Speed R8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Axis:\u003c\/strong\u003e 3 (Knee)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor:\u003c\/strong\u003e 2 HP, 115\/230V, 1Ph\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRange of Spindle Speeds (RPM):\u003c\/strong\u003e 60 - 4,200\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpindle Taper:\u003c\/strong\u003e R-8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpindle Travel (In.):\u003c\/strong\u003e 5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuill Diameter (In.):\u003c\/strong\u003e 3-3\/8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuill Down Feed Rates (IPR):\u003c\/strong\u003e .0015 - .003 - .006\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollet Capacity:\u003c\/strong\u003e 1\/8 - 7\/8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTable Size (L x W) (In.):\u003c\/strong\u003e 9 x 49\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTable Longitudinal Travel (In.):\u003c\/strong\u003e 34\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTable Longitudinal Travel With Powerfeed (In.):\u003c\/strong\u003e 28-3\/4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTable Cross Travel (In.):\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT-Slot Centers (In.):\u003c\/strong\u003e 2-1\/2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePowerfeed:\u003c\/strong\u003e X-Axis\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDistance Spindle to Column, Max. (In.):\u003c\/strong\u003e 19\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Distance Spindle to Table (In.):\u003c\/strong\u003e 17-1\/2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Dimensions (L x W x H) (In.):\u003c\/strong\u003e 66 x 63 x 85\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Taiwan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProp 65:\u003c\/strong\u003e Cancer and Reproductive Harm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eJET JTM-4VS-1 variable speed vertical milling machine\u003c\/li\u003e\n\u003cli\u003eACU-RITE 203 3-axis DRO with knee readout\u003c\/li\u003e\n\u003cli\u003eX-axis powerfeed\u003c\/li\u003e\n\u003cli\u003eTolerance test sheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat spindle taper does the JET JTM-4VS-1 use?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe JET JTM-4VS-1 uses an R-8 spindle taper, one of the most widely used standards in vertical milling machines, providing broad compatibility with collets, end mill holders, and tooling accessories across a collet capacity range of 1\/8 to 7\/8 inch.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eDoes this mill require three-phase power?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. The JET JTM-4VS-1 is configured with a 2 HP, 115\/230V, single-phase motor, making it suitable for shops and facilities that do not have three-phase power available.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eIs a coolant pump included with this milling machine?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eWhile the JET JTM-4VS-1 features an internal coolant tank built into the casting base for use with a coolant system, the coolant pump is not included and must be sourced separately.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the spindle speed range, and how is speed adjusted on this mill?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe JET JTM-4VS-1 offers a variable spindle speed range of 60 to 4,200 RPM. The variable speed drive allows stepless RPM adjustment within this range, eliminating the need to change belts or shift gears to match the optimal cutting speed for different materials and tool diameters.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e","brand":"JET","offers":[{"title":"Default Title","offer_id":40249092800673,"sku":"JT9-691411","price":19601.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/691411_main_62729546-2ee0-4690-82d4-d10c1e191d51.png?v=1624988893","url":"https:\/\/factorydirectsupply.com\/products\/jet-691411","provider":"FactoryDirectSupply.com","version":"1.0","type":"link"}