- Regular Crystal Shape: Ensures uniform grinding contact and stable cutting behavior.
- High Proportion of Complete Crystals: Improves load-bearing capacity and grinding consistency.
- High Purity & Good Translucency: Supports reliable quality and predictable tool performance.
- Strong Wear Resistance: Enables sustained grinding efficiency in continuous operations.
- Excellent Toughness: Withstands medium mechanical loads without premature fracture.
- Excellent Thermal Stability: Maintains performance under high-speed and high-temperature grinding conditions.
Wheel Grit Diamond – GWD840
20+ Years Experience
Ultra-Precision Quality
Customized Solutions
GWD840 is a wheel grit diamond engineered for medium-load grinding applications requiring high material removal efficiency and strong tool durability. With a high proportion of complete crystals and excellent thermal stability, this grade is ideal for glass chamfering and grinding of ceramic and magnetic materials where stable performance and long tool life are required.
Features
Specifications
Available Grades
- Fine wheel grits (400/500# – 500/600#): Suitable for fine grinding and surface finishing of ceramics, glass, and magnetic materials where controlled surface quality is required.
- Medium wheel grits (140/170# – 325/400#): Designed for general-purpose grinding and cutting, offering a balanced performance for stone, ceramics, and composite materials.
- Coarse wheel grits (60/80# – 120/140#): Used for aggressive grinding, shaping, and high material removal applications on stone and other hard, brittle materials.
Wheel Grit Diamond Size Table
| Size | GWD810 | GWD815 | GWD820 | GWD830 | GWD840 | GWD860 | GWD880 |
|---|---|---|---|---|---|---|---|
| 50/60 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| 60/70 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| 70/80 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| 80/100 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| 100/120 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| 120/140 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| 140/170 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| 170/200 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| 200/230 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| 230/270 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| 270/325 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| 325/400 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |
| 400/500 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |
| 500/600 | ✓ | ✓ | ✓ |
Applications
Optical & Optoelectronic
High-performance wheel grit diamond for efficient glass material removal.
- Glass chamfering operations
- Glass edge grinding and shaping
- Optical glass pre-finishing processes
Ceramic Manufacturing
Reliable grinding performance for ceramic materials requiring high removal rates.
- Structural ceramic grinding
- Ceramic component surface machining
- Medium-load ceramic material processing
Cutting Tool & Abrasives
Premium diamond material for bonded grinding tools used in demanding applications.
- Resin-bond and vitrified grinding wheel manufacturing
- Medium-load grinding wheel applications
- High-efficiency grinding tools