JET JTM-1 Mill with Newall DP700 DRO is a precision vertical knee mill engineered by JET for demanding metalworking applications where accuracy, rigidity, and long-term reliability are essential. Featuring Certified Meehanite castings, Class 7 spindle bearings, and a three-stage power down feed with automatic stop, this mill delivers the stability and precision that experienced machinists rely on. The integrated Newall DP700 two-axis digital readout system brings shop-floor accuracy to every cut, reducing setup time and improving repeatability across a wide range of milling operations. Backed by JET's industry-leading Two Year Warranty, the JTM-1 is built to perform at the highest level.

Key Features

• Heavy duty splined motor drive for robust, reliable power transmission
• Internal coolant tank built into base for use with coolant system (coolant pump not included)
• Large diameter quill is chromed for smooth, precise travel and extended service life
• One shot lubrication system simplifies maintenance and protects critical components
• Precision bored and honed milling head ensures accurate spindle alignment and superior surface finishes
• Precision hardened and ground ways provide lasting accuracy and reduced wear
• Satin chrome finished dials for clear, comfortable readability in the shop environment
• Tolerance test sheet included, confirming factory-verified precision before the machine ships
• Three-stage power down feed with automatic stop for consistent, controlled quill engagement
• Internally cooled spindle head prevents seizing during extended operation
• High precision Class 7 spindle bearings for superior runout performance
• Certified Meehanite castings deliver rugged, vibration-dampening stability
• 16 spindle speeds ranging from 80-5,440 RPM to accommodate a wide variety of materials and tooling
• R-8 spindle taper - the industry-standard for knee mills - with collet capacity of 1/8-7/8 in.
• 9 x 42 in. table provides ample workholding surface for large and complex workpieces
• Newall DP700 two-axis DRO system integrated for precise, real-time positional feedback

Specifications

• MPN: JT9-691187
• Stock Number: 691187
• Country of Origin: Taiwan
• Style (Type): Step Pulley R8
• Motor: 2 HP, 230V, 3Ph
• Number of Spindle Speeds: 16
• Range of Spindle Speeds (RPM): 80-5,440
• Spindle Taper: R-8
• Collet Capacity: 1/8-7/8 in.
• Quill Diameter (In.): 3-3/8
• Spindle Travel (In.): 5
• Quill Down Feed Rates (IPR): .0015-.003-.006
• Number of Axis: 2
• Table Size (L x W): 9 x 42 in.
• Table Longitudinal Travel (In.): 23-7/8
• Table Longitudinal Travel With Powerfeed (In.): 20-2/7
• Table Cross Travel (In.): 12-1/2
• T-Slot Centers (In.): 2-1/2
• Max Distance Spindle to Table (In.): 17-1/2
• Distance Spindle to Column (Max.) (In.): 19
• Overall Dimensions (L x W x H) (In.): 57 x 64 x 82
• Prop 65: Cancer and Reproductive Harm

Frequently Asked Questions

Does this mill include a coolant pump?

The JTM-1 features an internal coolant tank built into the base for use with a coolant system; however, the coolant pump is not included and must be purchased separately.

What spindle taper and collet range does the JTM-1 use?

The JTM-1 uses an R-8 spindle taper, which is the most common standard for knee mills, and accepts collets ranging from 1/8-7/8 in.

How many spindle speeds are available, and what is the speed range?

The JTM-1 offers 16 spindle speeds with a range of 80-5,440 RPM, providing the flexibility to machine a wide variety of materials and use a broad selection of cutting tools.

Is factory accuracy documentation provided with this machine?

Yes. A tolerance test sheet is included with each JTM-1, confirming that the machine has been inspected and verified to meet JET's precision standards before leaving the factory.