JET JTM-1254RVS Variable Speed Vertical Mill with ACU-RITE 203 DRO, X-Axis Powerfeed & Air Power Drawbar is a professional-grade 12" x 54" vertical milling machine engineered by JET for machinists and job shops demanding precision, durability, and production-ready versatility. Combining a 5HP variable speed spindle with an integrated ACU-RITE 203 digital readout, X-axis powerfeed, and pneumatic power drawbar, this mill is built to deliver consistent, high-quality results on demanding milling and drilling operations. Backed by the industry-leading JET Two Year Warranty, it offers the reliability and feature set serious metalworkers require.

Key Features

• Adjustable gibs throughout for precise fit and reduced backlash over the life of the machine
• Dual locks on all moveable surfaces for rigidity and repeatability during cutting operations
• Heavy-duty spindle brake for rapid stopping of the spindle, improving safety and workflow efficiency
• Precision bored and honed milling head ensures accurate spindle alignment and smooth operation
• Precision hardened and ground ways and table for long-term accuracy and wear resistance
• Three precision ground T-slots for versatile workholding and fixture mounting
• Three-stage power downfeed with automatic stop for controlled, repeatable drilling and boring cycles
• Two 115V outlets on the electrical box dedicated for powerfeed accessories
• Variable spindle speed range of 80 - 3,800 RPM accommodates a wide variety of materials and tooling
• R-8 spindle taper with a collet capacity range of 1/8" to 1" for broad tooling compatibility
• ACU-RITE 203 Digital Readout (DRO) for fast, accurate position measurement on 2 axes
• X-axis powerfeed for smooth, consistent table travel during milling passes
• Pneumatic (air) power drawbar for quick and easy tool changes
• Ongoing automatic lubrication system for reduced maintenance and extended machine life
• Quick nut spindle feed for faster setup and operation
• JET exclusive new casting design simplifies machine leveling without raising the unit off the floor
• Covered by the industry-leading JET Two Year Warranty

Specifications

• MPN: JT9-698109
• Stock Number: 698109
• Motor: 5HP, 230/460V, 3-Phase
• Range of Spindle Speeds: 80 - 3,800 RPM
• Spindle Taper: R-8
• Collet Capacity: 1/8" - 1"
• Spindle Travel: 5 in.
• Quill Diameter: 4-1/8 in.
• Quill Down Feed Rates (IPR): .0015 / .003 / .008
• Max Distance Spindle to Table: 23 in.
• Distance Spindle to Column (Max.): 27-3/4 in.
• Column Width: 14-1/4 in.
• Saddle Width: 25-5/8 in.
• Number of Axes: 2
• Powerfeed: X-Axis
• Power Drawbar: Pneumatic
• Overall Dimensions (L x W x H): 92-1/8 x 79-7/8 x 104-1/4 in.
• 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 range of 1/8" to 1", making it compatible with a wide selection of standard milling tooling and collet sets.

What power supply is required to operate this milling machine?

This machine is equipped with a 5HP motor requiring 230/460V, 3-Phase power. Ensure your facility has the appropriate 3-phase electrical service before installation.

What are the available quill down feed rates for this mill?

The three-stage power downfeed system offers quill down feed rates of .0015, .003, and .008 inches per revolution (IPR), providing precise control for drilling, boring, and tapping operations. An automatic stop function is also included for repeatable depth control.

Does this mill include a digital readout (DRO) and what axes does it cover?

Yes. The JTM-1254RVS comes equipped with the ACU-RITE 203 Digital Readout system covering 2 axes, enabling fast and accurate position measurement during milling operations. An X-axis powerfeed and pneumatic power drawbar are also included for enhanced productivity.