JET JTM-1254RVS Variable Speed Vertical Mill w/Newall DP700 3X (K) DRO X Powerfeed & Air Power Drawbar is a professional-grade 12" x 54" vertical milling machine engineered by JET for demanding machining environments. Combining a wide variable spindle speed range, a precision-bored milling head, and an integrated Newall DP700 3-axis DRO with X-axis powerfeed and pneumatic power drawbar, this mill delivers the accuracy, control, and throughput required for producing high-quality components in production and job-shop settings alike. Backed by the industry-leading JET Two Year Warranty, the JTM-1254RVS is built to perform day after day with minimal downtime.

Key Features

• Adjustable gibs throughout for precise, consistent fit and movement across all axes
• Dual locks on all moveable surfaces provide rigid workholding and vibration resistance during heavy cuts
• Heavy-duty spindle brake enables rapid stopping of the spindle for safer, faster tool changes
• Precision bored and honed milling head ensures concentricity and long-term accuracy
• Precision hardened and ground ways and table deliver smooth travel and repeatable positioning
• Three precision ground T-slots accommodate a wide variety of workholding fixtures and accessories
• Three-stage power downfeed with automatic stop gives controlled, repeatable drilling and boring depth
• Variable spindle speed range of 80 - 3,800 RPM suits a broad selection of materials and cutting tools
• R-8 spindle taper with collet capacity from 1/8" to 1" handles a wide array of tooling
• 5 HP, 230/460V, 3-phase motor provides robust power for demanding milling operations
• Pneumatic power drawbar speeds tooling changes and reduces operator fatigue
• X-axis powerfeed automates table travel for consistent surface finishes and reduced operator effort
• Newall DP700 3-axis (Knee) DRO delivers precise digital readout for all three axes
• Two 115V outlets on the electrical box dedicated for powerfeed accessories
• Ongoing automatic lubrication and quick-nut spindle feed support long-term reliability
• Exclusive JET new casting design allows leveling without raising the machine off the floor

Specifications

• MPN: JT9-698133
• Stock Number: 698133
• Brand: JET
• Country of Origin: Taiwan
• 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
• Overall Dimensions (L x W x H) (In.): 92-1/8 x 79-7/8 x 104-1/4
• Number of Axis: 3 (Knee)
• Powerfeed: X-Axis
• Power Draw Bar: Pneumatic
• DRO: Newall DP700 3X (K)
• Prop 65: Cancer and Reproductive Harm

Frequently Asked Questions

What spindle taper does the JET JTM-1254RVS use, and what collet sizes are compatible?

The JTM-1254RVS features an R-8 spindle taper with a collet capacity ranging from 1/8" to 1", making it compatible with the wide range of R-8 tooling commonly found in professional machine shops.

What is the spindle speed range, and how is it controlled?

The machine offers a variable spindle speed range of 80 to 3,800 RPM, providing the flexibility needed to machine a broad variety of materials and cutting tool diameters in a single setup without changing belt positions.

What does the three-stage power downfeed with automatic stop do?

The three-stage power downfeed allows the operator to select from three quill feed rates - .0015, .003, or .008 inches per revolution - and automatically stops the quill at a pre-set depth, ensuring consistent, repeatable results for drilling and boring operations.

What is the purpose of the two 115V outlets on the electrical box?

The two 115V outlets located on the electrical box are dedicated specifically for powerfeed accessories, providing a convenient, integrated power source without the need for separate extension cords or additional electrical connections for the X-axis powerfeed.