High carbon, cast steel grit.
RockRidge Steel Grit Sizing Specifications:
SAE Size No. | Screen No. | SAE J444 Specifications | Screen Opening (in.) | Screen Opening (mm) |
---|---|---|---|---|
G12 | 8 12 14 |
0% max all pass 80% min 90% min |
0.0937 0.0661 0.0555 |
2.36 1.70 1.40 |