The Craftro Contra-Angle Handpiece is engineered for professionals who demand absolute control, stability, and long-term reliability. Blending medical-grade manufacturing standards with salon-level finesse, it delivers smooth, vibration-free performance for both clinical dental applications and luxury nail services.
Its ergonomic contra-angle structure improves visibility in confined working areas, while the industrial-grade internal transmission ensures consistent torque without speed fluctuation — even during extended use.
Technical Specifications
| Category |
Specification |
Professional Advantage |
|
Brand |
Craftro |
Proven manufacturing quality with strict QC control |
|
Model Type |
E-Type Contra-Angle Handpiece |
Enhanced access to posterior & precision zones |
|
Speed Ratio |
1:1 Direct Drive |
Stable torque output, no power loss |
|
Max Speed |
≤ 40,000 rpm (depending on motor) |
Safe for polishing & finishing procedures |
|
Chuck System |
Latch Type / Push Button (Optional) |
Secure bur locking, quick bit changes |
|
Bur Compatibility |
RA Burs (Ø2.35 mm) |
Widely used standard for dental & nail work |
|
Rotation |
Forward & Reverse |
Flexible operation for different techniques |
|
Noise Level |
≤ 55 dB |
Quiet operation for patient & client comfort |
|
Vibration |
Ultra-Low |
Smooth rotation, prevents hand fatigue |
|
Finish |
Duo-Tone Onyx & Chrome |
Premium look, enhanced grip control |
|
Sterilization |
Autoclavable |
Meets medical hygiene standards |
|
Connection |
Standard E-Type Motor Interface |
Plug & play compatibility |
Clinical Dental Applications
√ Prosthetic Finishing & Adjustment
Ideal for contouring dentures, crowns, bridges, and temporary restorations with high precision.
√ Chairside Polishing & Finishing
Optimized for low heat generation, reducing thermal discomfort and protecting soft tissue.
√ Medical-Grade Hygiene
Built to withstand repeated autoclave sterilization cycles without compromising internal performance.
√ Precision Control
Smooth torque delivery ensures predictable results during delicate intraoral procedures.
Nail Technology & Salon Applications
√ Precision Nail Sculpting
Contra-angle head improves visibility and control for acrylic shaping, gel removal, and 3D nail art.
√ Advanced Pedicure Treatment
Strong torque handles thick calluses, while refined rotation allows safe cuticle detailing.
√ Nail Plate Protection
Vibration-free operation prevents micro-damage, overheating, and over-filing.
√ Long Working Sessions
Ergonomic balance reduces wrist strain for professional nail technicians.
Core Performance Advantages
Industrial-grade gear transmission for long service life
Stable torque with no speed drop under load
Low noise & minimal vibration design
Professional sterilization resistance
Dual-industry compatibility (Dental & Nail)
Ideal For
Dental clinics & laboratories
Prosthodontists & dental technicians
Professional nail studios & pedicure centers
OEM / ODM distributors
Medical & beauty equipment wholesalers
Craftro Contra-Angle Handpiece — One tool, two industries, uncompromising precision.
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.
