Inland Bit Grit Chart
Use the chart to help choose the right type and size of bit for your projects. Inland bits are recognized world wide as the benchmark for quality and value. Look for the distinctive Precision Quality Rings and the grit identification color band.
| GRIT SIZE |
COLOR CODE |
DESCRIPTION | USES | 1" Bit (25 mm) |
¾" Bit (19 mm) |
¼" Bit (6 mm) |
| 60/80 | Red | Super Speed Grit | Remove large amounts of material quickly. | YES | YES | NO |
| 80/100 | Black | Speed Grit | Grind and shape large surfaces and remove material quickly. | YES | YES | YES |
| 100/120 | None | Standard Grit | Grind and shape all types of glass, tile, stone, and other hard materials. | YES | YES | YES |
| 200/230 | Orange | Fine Grit | Grind softer materials, glass mirror with minimal chipping. | YES | YES | YES |
| 270/325 | Green | SuperFine Grit | Shape softer materials, glass, mirror without chipping; safety edge. | YES | YES | NO |
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