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The Nakanishi NSK EMax EVOlution Deluxe Kit – Ring Style is a complete professional micromotor system built for the demands of fine goldsmithing and stone setting. This deluxe configuration includes the NE-249 Control Box, IR310 Ring Style handpiece, micromotor, 4-to-1 reduction gear attachment, and foot control — everything bundled at one price. You will find the NSK EMax EVOlution on the benches of the finest goldsmiths in the world, and this kit delivers the smooth, precise power that demanding bench work requires.
The system operates from 1,000 to 40,000 RPM in standard mode, or 250 to 10,000 RPM when the reduction gear is engaged — providing exceptional torque and low-speed control that is essential for stone setting. Speed can be managed directly from the control box or via the included foot control, and both forward and reverse operation are supported. The NE-249 Control Box features two micromotor inputs, allowing a second motor and handpiece to be added in the future.
The IR310 Ring Style handpiece uses a twist-to-open, twist-to-close collet mechanism and is slim and lightweight for extended use. It is supplied with 3/32" and 1/8" collets. This product is available for sale and shipment to customers in the United States and Canada only.
| Handpiece Model | IR310 Ring Style |
|---|---|
| Collet System | Twist-to-open, twist-to-close |
| Included Collets | 3/32" and 1/8" |
| Speed Range (Standard) | 1,000–40,000 RPM |
| Speed Range (With Reduction Gear) | 250–10,000 RPM |
| Reduction Gear Ratio | 4-to-1 |
| Control Box Model | NE-249 |
| Micromotor Inputs | 2 |
| Voltage | 120V, 3A |
| Control Box Footprint | 5" × 9" |
| Availability | United States and Canada only |
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