The VK-MM3 is a high-performance, portable brushless micromotor designed for professionals who demand precision and reliability. Whether in a dental clinic, a nail salon, or a jewelry workshop, this versatile tool delivers consistent power in a compact, cable-free design.
Key Features
High-Torque Brushless Motor: Experience smooth, quiet, and powerful operation with speeds up to 25,000 RPM.
Intelligent Control & Safety: Equipped with a smart chip that monitors performance and provides real-time alerts for Over-Current, Over-Temperature, and Low Battery.
Extended Battery Life: The high-capacity 2600mAh lithium battery ensures long-lasting operation for uninterrupted workflows.
Intuitive Interface: A clear speed indicator and multi-function knob allow for precise adjustments and easy power management.
Reversible Rotation: Seamlessly switch between Forward and Reverse directions to suit your specific task and ergonomics.
Product Specifications
To suit your specific needs, we offer two handpiece configurations: the standard VK-MM3 and the ultra-lightweight VK-MM3E.
| Feature | Control Box (Main Unit) | VK-MM3 Handpiece | VK-MM3E Handpiece |
| Max Speed | — | 25,000 RPM | 25,000 RPM |
| Battery Capacity | 2600 mAh | — | — |
| Weight | 322g | 162g | 120g |
| Dimensions | 132.5 x 70 x 32 mm | 139 x 18.5 mm | 106 x 19 mm |
| Rated Voltage | 12.6V | 12.6V | 12.6V |
| Charger Input | 100-240V 50/60Hz | — | — |
Versatile Applications
The VK-MM3 series is engineered for excellence across multiple industries:
Dental: Precise grinding and polishing.
Manicure & Pediatry: Professional nail care and callus removal.
Jewelry & Handicrafts: Intricate carving, engraving, and finishing.
Reliability & Warranty
We stand behind the quality of our engineering with a comprehensive warranty:
Control Box & Charger: 1-Year Limited Warranty.
Handpiece: 6-Month Limited Warranty (excludes consumable parts such as bearings and rotors).
Maintenance Tips for Longevity
Cleanliness: Keep the handpiece free of dust and debris to prevent internal wear.
Proper Storage: If not in use for more than two months, fully charge the battery before storage and maintain it every two months.
Handpiece Care: Use a cloth moistened with alcohol for external cleaning; avoid injecting oil or water into the handpiece.
Company Profile
Shanghai Craftro Tech Co., Ltd. is a professional manufacturer specializing in the R&D and production of precision grinding systems, including desktop grinding machines, portable micromotors, handpieces, and a full range of grinding and polishing burs. Founded in 2017 and located in Jinshan District, Shanghai, we are recognized as a National High-Tech Enterprise, supported by strong in-house R&D capabilities and a modern 9,000 m² manufacturing facility. Our production operates under strict quality management systems, with ISO9001, ISO13485, and MDSAP certifications, ensuring stable performance, high precision, and compliance with international standards.
Certification
Backed by solid technical expertise and a rigorous quality management system, we are certifed under ISO9001,ISO13485, and MDSAP standards. Our products also comply with international certifcations such as CE, FCC, and ROHS. Supported by independent intellectual property patents, we serve global markets through an effcientdigital supply chain, with products exported worldwide.
FAQ
Q: What industries are our grinding systems commonly applied in?
A:Our grinding systems are primarily used in dental clinics and dental laboratories, and are also applied in professional nail care, engraving, model making, and other precision finishing fields. They are suitable for working with materials such as resin, plastics, soft metals, and composite materials where controlled precision and stable operation are required.
Q: What product categories do we focus on?
A: We focus on the development and production of desktop grinding machines, portable micromotors, handpieces, and a comprehensive range of grinding and polishing burs. These products are designed to work together as complete systems, supporting a wide variety of precision applications.
Q: Do we offer OEM and ODM services?
A: Yes. We offer OEM and ODM customization services based on different project requirements, including product configuration, appearance design, branding, and packaging. With in-house R&D capabilities and established manufacturing processes, we support both standard models and customized solutions for long-term cooperation.
Q: What quality standards and certifications do we follow?
A: Our manufacturing operations follow established quality management systems, and our facility holds ISO9001, ISO13485, and MDSAP certifications. These systems and certifications support product consistency and regulatory alignment for international markets.
Q: What makes our grinding systems suitable for precision work?
A: Our grinding systems are developed with attention to speed stability, low vibration, operational control, and durability. When combined with compatible handpieces and grinding burs, they are well suited for fine finishing, detailed shaping, and extended precision tasks across dental and other professional applications.