Product Overview
A 115 mm variable-speed angle grinder is a multifunctional portable power tool equipped with a 4.5-inch grinding disc and adjustable speed control, designed for cutting and grinding metal or stone.
Technical Specifications
| Parameter | Value |
|---|---|
| Rated Speed | 8,500 RPM |
| Variable Speed Range | 4,500 / 6,500 / 8,500 RPM |
| Standard Speed | 6,400 RPM |
| Maximum Power Output | 1,200W |
| Continuous Power | 1,000W |
| Max Torque | 3.0 N·m |
| Mainshaft Thread | M14 |
| Net Weight | 1.8 kg (battery excluded) |
| Operating Noise | ≤58 dB(A) |
| Battery Capacity | 37V / 3.0Ah / 111Wh |
| Protection Rating | IP54 |
Core Technology Features
Brushless Direct Drive System
Peak Power: 1,200W | Continuous Power: 1,000W
Eliminates gear transmission for reduced mechanical wear
20-30% improvement in energy efficiency
Extended battery life by over 30%
Advanced Motor Design
Silicon steel sheet rotor technology minimizes heat loss
Fully enclosed motor with IP54 dust and water protection
Theoretical lifespan: 5-10 years
Three-Speed Control
Low Speed: 4,500 RPM
Medium Speed: 6,500 RPM
High Speed: 8,500 RPM
Safety Features
Dual-Start Protection
Long-press activation with indicator light
Secondary trigger confirmation
Power-off protection prevents accidental restart
Blockage Protection System
Automatic shutdown when overload is detected
Performance Advantages
Ultra-Quiet Operation
58 dB(A) working noise level
30% quieter than conventional angle grinders
25 dB(A) lower than comparable products
Lightweight & Ergonomic
Only 1.8 kg body weight
Anti-slip ergonomic handle design
Extended operation comfort
High Durability
Brushless motor design for longer lifespan
10-cell 18650 battery pack configuration
Reduced maintenance requirements
Quality Assurance
Certifications
ISO 9001 (Quality Management)
ISO 14001 (Environmental Management)
OHSAS 18001 (Occupational Health & Safety)
CE Certification
Quality Control
21 reliability tests before shipment
Full product traceability system
Real-time operation monitoring
Warranty & Support
Standard Warranty: 1 year
Response Time:
Initial solution within 2 hours
On-site support within 24 hours (domestic)
48-hour technical assessment for issues
72-hour resolution plan
Awards & Recognition
Third Prize at the Zhejiang Provincial Science and Technology Progress Awards for energy-saving motor technology research | Certified as a Zhejiang Provincial Hidden Champion Enterprise.
Customization Services
Modular Options
Handle color customization
Size specification variations
Battery configuration options
Engineering Support
Mechanical and electrical qualified engineers
7×24 hour service availability
Full-process technical consultation
Product Applications
Home Decoration & DIY
Construction Sites
Metal Fabrication
Stone Processing
Woodworking
Ordering Information
| Item | Details |
|---|---|
| MOQ | 500 sets |
| Voltage | 110V 50Hz (customizable to local standards) |
| Payment Terms | TT, LC |
| Delivery | Negotiable |
| Packing | Export standard |
| Target Markets | Middle East, Africa, Asia, South America, Europe, North America |
Why Choose Our Motor Solutions
With over 20 years of motor R&D and manufacturing experience, we offer:
✓ Complete technological innovation system
✓ Modular customization services
✓ Professional engineering team support
✓ Rapid response mechanism
✓ Rigorous quality assurance processes
FAQ
Q: Do you support OEM/private labeling?
A: Yes. We support OEM services and can provide custom housing silk-screen printing, nameplate replacement, and packaging design according to your requirements.
Q: What is the core motor material of this 115 mm variable-speed angle grinder?
A: We use a high-purity all-copper wire motor with 200 °C high-temperature resistance, ensuring reliable operation without motor burnout under heavy loads.
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