
| Sharp | Type of stone | Grade of Grinding |
Size a x b (mm) | |||||||
| 3x3 | 3x6 | 4x4 | 5x5 | 6x6 | 8x8 | 10x10 | 12x12 | |||
| T | A | V | -- | -- | -- | ○ | ○ | ○ | ○ | ○ |
| S | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ||
| N | ○ | -- | ○ | ○ | ○ | ○ | ○ | ○ | ||
| C | -- | -- | -- | -- | ○ | ○ | ○ | ○ | ||
| ML | -- | -- | -- | -- | ○ | ○ | ○ | -- | ||
| Sharp | Type of stone | Grade of Grinding |
Size a x b (mm) | |||||
| 15X15 | 20X20 | 25X25 | 30X30 | 35X35 | 45X45 | |||
| T | A | V | -- | -- | -- | ○ | ○ | ○ |
| S | ○ | ○ | ○ | ○ | ○ | ○ | ||
| N | ○ | -- | ○ | ○ | ○ | ○ | ||
| C | -- | -- | -- | -- | ○ | ○ | ||
| ML | -- | -- | -- | -- | ○ | ○ | ||

| Sharp | Type of stone | Grade of Grinding |
Size a x b (mm) | |||||||||
| 6X6 | 6X10 | 10X10 | 12X12 | 15X15 | 20X20 | 25X25 | 30X30 | 35X35 | 45X45 | |||
| TA | A | V | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
| S | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ||
| N | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ||
| C | ○ | ○ | ○ | ○ | -- | -- | -- | -- | -- | -- | ||
| ML | ○ | ○ | ○ | -- | -- | -- | -- | -- | -- | -- | ||

| Sharp | Type of stone | Grade of Grinding |
Size a x b (mm) | |||||||||
| 6X6 | 6X10 | 10X10 | 12X12 | 15X15 | 20X20 | 25X25 | 30X30 | 35X35 | 45X45 | |||
| RA | A | V | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
| S | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ||
| N | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ||
| C | ○ | ○ | ○ | ○ | -- | -- | -- | -- | -- | -- | ||
| ML | ○ | ○ | ○ | -- | -- | -- | -- | -- | -- | -- | ||

| Sharp | Type of stone | Grade of Grinding |
Size a x b (mm) | |||||||||
| 6X6 | 6X10 | 10X10 | 12X12 | 15X15 | 20X20 | 25X25 | 30X30 | 35X35 | 45X45 | |||
| TR | A | V | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
| S | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ||
| N | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ||
| C | ○ | ○ | ○ | ○ | -- | -- | -- | -- | -- | -- | ||
| ML | ○ | ○ | ○ | -- | -- | -- | -- | -- | -- | -- | ||

| Sharp | Type of stone | Grade of Grinding |
Size a x b (mm) | |||
| 6X6 | 10X12 | 15X18 | 20X20 | |||
| TRA | A | V | ○ | ○ | ○ | ○ |
| S | ○ | ○ | ○ | ○ | ||
| N | ○ | ○ | ○ | ○ | ||

| Sharp | Type of stone | Grade of Grinding |
Size a x b X c (mm) | ||
| 50x30x20 | 55x40x20 | 57x37x20 | |||
| D | A | V | ○ | ○ | ○ |
| S | ○ | ○ | ○ | ||
| N | ○ | ○ | ○ | ||

| Sharp | Type of stone | Grade of Grinding |
Size a x b X c(mm) | ||
| 15x15x6 | 20x20x10 | 25x25x10 | |||
| EL | A | V | ○ | ○ | ○ |
| S | ○ | ○ | ○ | ||
| N | ○ | ○ | ○ | ||

| Sharp | Type of stone | Grade of Grinding |
Size a x b X c(mm) | ||
| 15x15x6 | 20x20x10 | 25x25x10 | |||
| ELA | A | V | ○ | ○ | ○ |
| S | ○ | ○ | ○ | ||
| N | ○ | ○ | ○ | ||

| Sharp | Type of stone | Grade of Grinding |
Size (mm) | ||
| 3~4 | 4~6 | 6~8 | |||
| C | A | V | ○ | ○ | ○ |

| Sharp | Type of stone | Grade of Grinding |
Size a (mm) | |||||||||
| 1 | 2 | 3 | 6 | 8 | 10 | 12 | 15 | 20 | 25 | |||
| TA | A | V | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
| S | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ||
| N | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ||
| C | ○ | ○ | ○ | ○ | -- | -- | -- | -- | -- | -- | ||
| ML | 0.4~1.0 | 1.1~1.9 | 2 | 3 | 4 | 5 | 8 | 10 | 12 | 15 | ||
| A | → | Fused Alumina | V | → | Heavy Grinding | |
| C | → | Ceramic | S | → | Medium Grinding | |
| ML | → | Mullite | N | → | Light Grinding | |
| C | → | Finishing & Polishing | ||||
| ML | → | Finishing & Polishing |