JET JTM-1254RVS Variable Speed Vertical Mill w/ACU-RITE 203 DRO, X Y & Z Powerfeeds & Air Power Drawbar is a professional-grade 12" x 54" vertical milling machine engineered by JET for machinists and production shops demanding precision, durability, and versatile performance. Featuring a variable spindle speed range of 80 - 3,800 RPM, a 5HP three-phase motor, and an integrated ACU-RITE 203 Digital Readout with X, Y, and Z-axis powerfeeds, this mill delivers the control and repeatability required for high-quality component production. The included pneumatic power drawbar further streamlines tool changes, maximizing efficiency on the shop floor.

Key Features

• Adjustable gibs throughout for precise fit and long-term accuracy
• Dual locks on all moveable surfaces for rigid, repeatable setups
• Heavy-duty spindle brake for rapid stopping of the spindle
• Precision bored and honed milling head for superior surface finishes
• Precision hardened and ground ways and table for lasting accuracy and wear resistance
• Three precision ground T-slots for secure and flexible workholding
• Three-stage power downfeed with automatic stop for controlled, repeatable drilling and boring cycles
• Two 115V outlets on the electrical box dedicated for Powerfeeds only
• Variable spindle speed range of 80 - 3,800 RPM for versatility across a wide range of materials and operations
• ACU-RITE 203 Digital Readout (DRO) providing real-time X, Y, and Z-axis position display
• X, Y, and Z-axis powerfeeds for reduced operator fatigue and consistent feed rates
• Pneumatic (air) power drawbar for fast, effortless tool changes
• R-8 spindle taper for broad tooling compatibility
• Backed by the industry-leading JET Two Year Warranty

Specifications

• MPN: JT9-698113
• Stock Number: 698113
• Style (Type): Variable Speed R8
• Motor: 5HP, 230/460V, 3Ph
• Range of Spindle Speeds (RPM): 80 - 3,800
• Spindle Taper: R-8
• Spindle Travel (In.): 5
• Quill Diameter (In.): 4-1/8
• Quill Down Feed Rates (IPR): .0015 * .003 * .008
• Collet Capacity: 1/8 - 1
• Column Width (In.): 14-1/4
• Distance Spindle to Column (Max.) (In.): 27-3/4
• Max Distance Spindle to Table (In.): 23
• Saddle Width (In.): 25-5/8
• Number of Axis: 2
• Power Draw Bar: Pneumatic
• Overall Dimensions (L x W x H) (In.): 92-1/8 x 79-7/8 x 104-1/4
• Country of Origin: Taiwan
• Prop 65: Cancer and Reproductive Harm

Frequently Asked Questions

What spindle taper does the JET JTM-1254RVS use, and what is the collet capacity range?

The JTM-1254RVS uses an R-8 spindle taper with a collet capacity ranging from 1/8 to 1 inch, providing broad compatibility with a wide variety of standard tooling.

What are the available quill downfeed rates on this mill?

The three-stage power downfeed system offers three selectable feed rates: .0015, .003, and .008 inches per revolution (IPR), and includes an automatic stop for repeatable depth control.

What electrical requirements are needed to operate this machine, and does it support powerfeed accessories?

The mill is powered by a 5HP motor rated at 230/460V, 3-Phase. The electrical box includes two dedicated 115V outlets specifically for the Powerfeeds, which are already included with this configuration.

What is the maximum spindle-to-table distance, and what is the full spindle speed range?

The maximum distance from the spindle to the table is 23 inches, offering substantial clearance for a wide range of workpiece heights. The variable speed spindle operates across a range of 80 to 3,800 RPM, allowing the operator to precisely dial in the correct cutting speed for any material or operation.