- Relatively Intact Crystal Shape: Ensures stable grinding behavior and consistent cutting contact.
- Regular Blocky Structure: Provides balanced load distribution during grinding operations.
- Medium Strength: Supports controlled wear while maintaining cutting efficiency.
- High Sharpness: Delivers fast material removal under low mechanical load conditions.
Wheel Grit Diamond – GWD820
20+ Years Experience
Ultra-Precision Quality
Customized Solutions
GWD820 is a wheel grit diamond designed for low-load, high-efficiency grinding applications where sharp cutting action and stable performance are required. With relatively intact crystal shapes and regular blocky structure, this grade is suitable for grinding glass, crystal, ceramics, and gemstones in precision and semi-precision grinding environments.
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
Reliable wheel grit diamond for precision grinding of optical and transparent materials.
- Glass component surface grinding
- Optical glass edge finishing
- Crystal material shaping
Ceramic Manufacturing
Efficient grinding solution for ceramic materials requiring sharp cutting under light load.
- Technical ceramic surface grinding
- Ceramic component finishing
- Precision ceramic material shaping
Stone & Construction
Suitable for fine grinding and finishing of decorative stone materials.
- Decorative stone surface grinding
- Gemstone and crystal material processing
- Stone finishing applications requiring high sharpness