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Prime 407 Brushless Micromotor 50000 RPM - RHJC

Dental lab motor-jewelry micromotor-Prime407-RHJC
Complete brushless micromotor unit with digital controller and handpiece. Features high 8.0 N.cm torque, max speed of 50,000 RPM, and premium ceramic bearings for heat-free and zero-vibration processing.
Description Company profile Dealer may cares
Technical diagram showing dimensions (W160xD210xH100) and weights (2.31kg, 204g) for the RHJC PRIME 407.
 

The Prime 407 is the best-selling 50,000 RPM brushless unit among our Dental lab motors and Jewelry micromotors. (For more 50,000 RPM Dental Lab Handpieces, please check here.) Equipped with premium ceramic bearings, this complete micromotor unit (controller and motor) delivers high-efficiency performance for heavy-duty professional workflows.
 

Application Scenarios

  • Dental Laboratories: High-torque (8.0 N.cm) grinding for zirconia, resin teeth, and precise restorations without speed drops or stalling.

  • Jewelry Manufacturing: Perfect for diamond inlay, micro-pave setting, jade, coral, and literary carving. The low-vibration operation protects delicate materials.

  • Industrial & Mold Polishing: Continuous, stable output for fine metalworking, die casting finishing, and complex alloy processing.

 

Why Prime 407 Outperforms the Prime 115?

As an upgraded model, the Prime 407 delivers superior performance:

  1. Higher Output: Reaches 230W, while the Prime 115 only provides 210W.

  2. Stronger Torque: Delivers a powerful 8.0 N.cm, compared to 7.2 N.cm on the Prime 115.

  3. Optimized Design: The Prime 407 features a modernized, ergonomic control box with a better outlook and premium color matching.

 

Core Features & Advantages

  • Control Box with Digital Display: For precise speed monitoring.

  • Smart Safety System: Includes self-diagnosis error display and an automatic stop system for overload.

  • Ceramic Bearings: Upgraded internal structure provides a life expectancy 1.5 times longer than standard bearings.

  • Ergonomic & Compact Design: Saves workspace while maintaining industrial-grade power.

  • Dual Control: Variable speed via hand dial or foot pedal.

  • Rotation: Right & left-turning direction (Forward/Backward).


Product Specifications
  • Product Name: Prime 407

  • Speed: 0 - 50,000 RPM

  • Torque: 8.0 N.cm

  • Output Power: 230W

  • Voltage: 100V-120V / 220V-240V

  • Fuse: 2A

  • Collet Size: 2.35mm

  • Weight: 3.98 kg

  • Plug: US, AU, UK, EU, and all standard options available

  • Certifications: ISO9001, CE, ROHS, SGS

  • Warranty: 1 YEAR

  • Package: Bubble bag + Foam + Carton (High-quality Standard)

 

Comprehensive Instruction Manual Included

Each unit comes with a detailed manual covering everything you need for operation and maintenance:

  • Warranty

  • Service Charge

  • Product Specification

  • Part Name

  • Setting & Operation

  • Suggestion For Maintenance

  • Failure And Solution

  • Cautions

  • Bur Replacement

  • Collet Chuck Replacement

  • Bearing Replacement

  • Handpiece Disassembly Diagram

 

Labeled diagram of the RHJC PRIME 407 micromotor showing controls, display, and connectors.Complete RHJC PRIME 407 micromotor kit including control box, handpiece, foot pedal, and accessories.

Instruction manual for RHJC PRIME 407 and PRIME 115 micromotors covering specifications and operation.


Tianjin RHJC Scientific and Technological Limited, was founded in 1998, is a high-tech enterprise in the field of micromotor grinder manufacturing. It is located in Xiqing's economic development area, Tianjin city, China. We have more than 20 years of experience in developing and manufacturing micro motor grinder, we have three core competitiveness products: dental micromotor, nail drill, and jewelry & dental lab micromotor.
In the jewelry industry, world-class brand jewelry manufacturers are our stable customers, our jewelry micromotors are applied in the various polishing processes, such as golden turning flowers, diamond inlay, jade, coral & literary carving. In addition, These micromotors are also highly applied in the dental laboratory areas.

 
1, Competitive selling point of PRIME-407-BRUSHLESS-RHJC
  -lower heat & noise
  -new design with fashion shape
  -powerful output with good price
  -China top manufacturer of micromotor handpieces

2, After-sales.
    RHJC micromotor & electric nail drills have 1-year Guarantee,
    Because we are the manufacture, any problem it may happen Would be handled responsibly

3, Do you support OEM?
    We support OEM & ODM service as you can reach the minimum order.
    We have a lot of European and American customers who have already cooperated. 
    You can see many products very similar to RHJC in the market or at the exhibition.

4, Internation Certificates.
   RHJC micromotor handpieces have the latest annual international certificate, like CE, FCC & ROSH, etc.
   other certificates you need especially, we can discuss.

5, Factory Visit
    It's appreciated to invite you to visit the factory in Tianjin China.
     Please kindly informed us at least one week before your visit date.

6. To be an Agent.
   Please kindly provide the relative information to show you are a wholesaler or distributor, After that, we will fully support you. thanks for your understanding.
   In addition, If you want to be the only distributor in the region, we need to sign a contract with you for the regional annual sales amounts requirements, and then protect you.

7. About Sample   
  We are very happy to provide you the sample for the test, and will also charge the relevant fees, thank you for your understanding.

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