JET JTM-1254RVS Variable Speed Vertical Mill w/Newall DP700 3X (Q) DRO X Y & Z Powerfeeds is a professional-grade 12" x 54" vertical milling machine engineered by JET for machinists and shops demanding consistent precision, robust durability, and versatile performance. Combining variable spindle speed control ranging from 80 to 3,800 RPM with a factory-installed Newall DP700 3-axis digital readout and X, Y, and Z powerfeeds, this mill is built to produce high-quality components with repeatable accuracy across a wide range of milling operations. Backed by the industry-leading JET Two Year Warranty, the JTM-1254RVS delivers the reliability and feature set serious metalworking professionals expect.

Key Features

• Adjustable gibs throughout for precise fit and minimal play on all sliding surfaces
• Dual locks on all moveable surfaces for secure positioning during operation
• 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 secure and versatile workholding
• Three-stage power downfeed with automatic stop for controlled, repeatable drilling and boring operations
• Ongoing automatic lubrication system for reduced maintenance demands and extended machine life
• Quick nut spindle feed for fast and convenient manual depth adjustments
• JET exclusive new casting design allows easier machine leveling without raising the unit off the floor
• Two 115V outlets on the electrical box dedicated for powerfeeds only
• Available in R-8 spindle taper to suit a wide range of tooling systems
• 5 HP, 230/460V, 3-phase motor delivers ample power for demanding milling applications
• Variable speed control spanning 80 - 3,800 RPM accommodates a broad variety of materials and cutting tools
• Newall DP700 3-axis (Quill) digital readout included for precise, real-time position monitoring on X, Y, and Z axes

Specifications

• MPN: JT9-698142
• 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
• Number of Axis: 3 (Quill)
• 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
• Country of Origin: Taiwan
• Prop 65: Cancer and Reproductive Harm

Frequently Asked Questions

What spindle taper does the JET JTM-1254RVS use?

The JTM-1254RVS is equipped with an R-8 spindle taper, which is one of the most widely used tapers in manual vertical milling machines and is compatible with a broad selection of collets, end mill holders, and other tooling accessories.

What is the spindle speed range on this variable speed mill?

The JTM-1254RVS offers a variable spindle speed range of 80 to 3,800 RPM, providing the flexibility to machine a wide variety of materials and accommodate different cutting tool requirements without changing belt positions.

What power downfeed rates are available on the quill?

The three-stage power downfeed system provides quill down feed rates of .0015, .003, and .008 inches per revolution (IPR), and includes an automatic stop feature for precise and repeatable depth control during drilling and boring operations.

Are outlets provided for the X, Y, and Z powerfeeds?

Yes. The electrical box on the JTM-1254RVS includes two dedicated 115V outlets specifically for powerfeed use, making it straightforward to connect and power the included X, Y, and Z axis powerfeed units.