JET JTM-1254RVS Variable Speed Vertical Mill w/ACU-RITE 203 DRO X Y & Z Powerfeeds is a precision-engineered 12" x 54" vertical milling machine from JET, built for machinists and production shops demanding accuracy, durability, and versatile performance. Equipped with an ACU-RITE 203 Digital Readout and X, Y & Z-axis powerfeeds, this variable speed mill delivers consistent, high-quality results across a wide range of milling operations, backed by the industry-leading JET Two Year Warranty.

Key Features

• Adjustable gibs throughout for precise, customizable fit and reduced play
• Dual locks on all moveable surfaces for secure, vibration-free machining
• Heavy-duty spindle brake for rapid stopping of the spindle
• Precision bored and honed milling head ensures superior surface finish and accuracy
• Precision hardened and ground ways and table for long-lasting wear resistance and flatness
• Three precision ground T-slots for secure workholding and fixture versatility
• Three-stage power downfeed with automatic stop for controlled, repeatable drilling and boring operations
• Ongoing automatic lubrication system for extended machine life and reduced maintenance
• Quick nut spindle feed for fast and efficient quill operation
• Two 115V outlets on the electrical box dedicated for powerfeed use only
• Variable spindle speed range of 80 - 3,800 RPM for broad material and tooling compatibility
• Available in R-8 spindle taper for wide tooling availability
• JET exclusive new casting design allows easier machine leveling without raising the unit off the floor

Specifications

• Stock Number: 698112
• Spindle Taper: R-8
• Style (Type): Variable Speed R8
• Collet Capacity: 1/8 - 1
• Range of Spindle Speeds (RPM): 80 - 3,800
• Spindle Travel (In.): 5
• Quill Diameter (In.): 4-1/8
• Quill Down Feed Rates (IPR): .0015 / .003 / .008
• Motor: 5HP, 230/460V, 3Ph
• Number of Axis: 2
• Max Distance Spindle to Table (In.): 23
• Distance Spindle to Column (Max.) (In.): 27-3/4
• Column Width (In.): 14-1/4
• 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?

This mill uses an R-8 spindle taper, one of the most widely used tapers in vertical milling, offering broad compatibility with 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, allowing operators to dial in the optimal cutting speed for a wide variety of materials and tooling diameters.

What are the three-stage power downfeed rates available on this machine?

The three-stage power downfeed operates at .0015, .003, and .008 inches per revolution (IPR), with an automatic stop feature for precise, repeatable depth control during drilling and boring operations.

Are the outlets on the electrical box available for general accessories?

No - the two 115V outlets located on the electrical box are designated for powerfeed use only and should not be used for other accessories or general-purpose equipment.