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Best Lab Handpiece-Prime115-RHJC

Best Lab Handpiece-Prime115-RHJC
Complete micromotor unit with controller and motor. Brushless micromotor with high torque 7.2N.cm & max speed 50,000RPM. 220-240V(50-60Hz)

Description Company Profile

Prime 115 is the second choice of RHJC lab handpiece, on which the torque and output are lower than prime407, but have the same outlook and Max.speed 50000rpm. For more dental lab micromotor, please check the product family of RHJC



Brushless motor design NEVER needs to change carbon brushes.
High Torque:7.2N.cm
Max Watts Output:210
Speed:1,000 to 50,000RPM
Electricity Volt:220-240V(50-60Hz)
Handpiece Standard Collet: Φ2.35mm  (Φ3.0mm upon request)
Input: 220-240V(50-60Hz)
Fuse: 2A

Control box with digital display
Self-diagnosis error display
Ergonomic and compact design
Right & left-turning direction
Variable speed hand/foot pedal
Automatic stop system for overload
Use ceramic bearing(Life expectancy 1.5times)


The advantages while comparing with Prime 407

compare with prime407, prime 115 got almost the same level parameter. and almost the same machine performance, but absolutely with better price.
if you doubt that, try to let me know.

Personally, i think prime407 have a better outlook about color matching, but the fact is there are a lot customer would choose Prime 115 and then made OEM or ODM. For big customers, this method is more economical and always be choose.


Instruction Manual

-Service Charge
-Product Specification
-Part Name
-Setting & Operation
-Suggestion For Maintenance
-Failure And Solution
-Bur Replacement
-Collet Chuck Replacement
-Bearing Replacement
-Handpiece Disassembly Diagram

blushClick and check details: 

prime115 instruction manual

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 the Xiqing 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 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 area.