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Jet JTM 1 Vertical Milling Machine
- $5,936.00
- Brands JET
- Product Code: 692191
- Availability: In Stock
JET JTM-1 Vertical Milling Machine The JET JTM-1 Vertical Milling Machine is a compact manual knee mill designed for general-purpose machining, maintenance, fabrication, and workshop applications. Its traditional vertical milling configuration gives operators direct control over workpiece positioning, spindle movement, and cutting operations. With a 1 HP motor, R-8 spindle taper, and a 9 x 42-in..
Vertical Milling Machine for Precision Metalworking and Machining
JET JTM-1 Vertical Milling Machine
The JET JTM-1 Vertical Milling Machine is a compact manual knee mill designed for general-purpose machining, maintenance, fabrication, and workshop applications. Its traditional vertical milling configuration gives operators direct control over workpiece positioning, spindle movement, and cutting operations.
With a 1 HP motor, R-8 spindle taper, and a 9 x 42-inch worktable, the JTM-1 provides a practical balance of machining capability and floor-space efficiency. The tilting and swiveling head also allows the machine to handle angled milling and drilling operations in addition to conventional vertical work.
Key Features
- 1 HP motor — Provides dependable power for general milling and drilling applications.
- R-8 spindle taper — Compatible with a wide range of commonly available milling tooling.
- 9 x 42-inch worktable — Provides ample space for workpieces, vises, fixtures, and accessories.
- Manual knee-mill design — Gives the operator direct control over table positioning.
- Tilting and swiveling head — Allows angled milling and drilling operations.
- Quill feed — Provides controlled spindle movement for drilling and boring.
- Quill depth stop — Helps produce repeatable hole depths.
- Rigid column and knee construction — Provides stable support during machining.
- Chrome-plated quill — Provides a durable surface for repeated quill movement.
- Spindle brake — Helps bring the spindle to a stop after machining.
- Adjustable table gibs — Help maintain smooth and controlled table movement.
- Way covers — Help protect critical machine surfaces from chips and debris.
- Floor-standing configuration — Provides a stable platform for workshop use.
Product Specifications
| Specification | Details |
|---|---|
| Brand | JET |
| Model | JTM-1 |
| Machine Type | Vertical Milling Machine |
| Configuration | Knee Mill |
| Motor Power | 1 HP |
| Spindle Taper | R-8 |
| Spindle Type | Manual |
| Table Size | 9 x 42 in. |
| Longitudinal Table Travel (X-Axis) | Approximately 25 in. |
| Cross Table Travel (Y-Axis) | Approximately 15 in. |
| Knee Travel (Z-Axis) | Approximately 15 in. |
| Quill Travel | Approximately 5 in. |
| Quill Diameter | Approximately 3-3/8 in. |
| Head Type | Tilting and swiveling |
| T-Slot Size | 5/8 in. |
| Machine Configuration | Floor standing |
| Operation | Manual |
| Primary Applications | Milling, drilling, boring, facing and general machining |
Specifications may vary according to production version and electrical configuration. Confirm the latest JET documentation for exact spindle speed, motor voltage, dimensions, travels, and included accessories before purchase.
9 x 42-Inch Worktable
The JTM-1 features a 9 x 42-inch worktable, giving the operator a generous surface for securing workpieces and mounting accessories such as machine vises and fixtures.
The table's substantial longitudinal and cross travel allows workpieces to be positioned accurately beneath the spindle. This makes the machine suitable for both individual components and larger workpieces that require multiple machining positions.
R-8 Spindle Taper
An R-8 spindle taper provides compatibility with a broad selection of milling tooling. Operators can use suitable R-8 collets, end-mill holders, arbors, and other accessories depending on the machining operation.
The R-8 system is particularly common on manual knee mills, making replacement tooling and accessories relatively easy to source.
1 HP Motor
The 1 HP motor provides the power necessary for a wide range of general-purpose milling and drilling operations.
The motor configuration is well suited to maintenance shops, fabrication facilities, toolrooms, educational workshops, and other environments where a compact manual milling machine is required.
Traditional Knee-Mill Design
The JTM-1 uses a conventional knee-and-column configuration. The table is supported by the knee, which can be raised or lowered along the column to establish the appropriate working height.
This design gives the operator direct control over the relationship between the cutter and workpiece while maintaining a rigid platform for machining.
Tilting and Swiveling Head
The milling head can be repositioned for machining operations that require an angled spindle.
This capability can be useful for:
- Angular milling
- Bevel cuts
- Inclined surfaces
- Angled drilling
- Specialized slotting
- Custom machining operations
For standard milling, the head can be returned to its conventional vertical position.
Quill Feed and Depth Control
The machine's quill provides controlled vertical spindle movement for operations such as drilling and boring. Approximately 5 inches of quill travel provides useful working range without requiring the operator to reposition the entire knee for every adjustment.
A quill depth stop can also help produce consistent hole depths when performing repetitive drilling operations.
Stable Floor-Standing Construction
The JTM-1 is designed as a floor-standing milling machine, providing a stable foundation for manual machining.
The rigid column, knee, and table assembly helps minimize unwanted movement during cutting. Proper machine installation and leveling are important for achieving the best possible machining performance.
Typical Applications
The JET JTM-1 can be used for:
- General milling
- Face milling
- End milling
- Slotting
- Drilling
- Boring
- Keyway machining
- Prototype work
- Machine repair
- Maintenance machining
- Toolroom operations
- Fabrication
- Small-batch machining
Why Choose the JET JTM-1?
The JET JTM-1 Vertical Milling Machine offers the familiar operation of a traditional knee mill in a practical workshop configuration. Its 1 HP motor, R-8 spindle, 9 x 42-inch worktable, tilting and swiveling head, quill feed, and floor-standing construction provide the flexibility needed for a wide range of manual machining tasks.
It is a practical choice for users who need a reliable machine for milling, drilling, boring, facing, slotting, repair work, and general metalworking without the complexity of a CNC system.