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S.A.E. Specifications for Grit Screening

SAE Size No SAE J44 GRIT Tolerances Screen Opening (mm)
G10 All Pass No. 7 Screen 2.8 SAE Sp 49
80% Min on No. 10 Screen 2
90% Min on No. 12 Screen 1.7
G12 All Pass No. 8 Screen 2.36 SAE Sp 50
80% Min on No. 12 Screen 1.7
90% Min on No. 14 Screen 1.4
G14 All Pass No. 10 Screen 2 SAE Sp 51
80% Min on No. 14 Screen 1.4
90% Min on No. 16 Screen 1.18
G16 All Pass No. 12 Screen 1.7 SAE Sp 52
75% Max on No. 16 Screen 1.18
85% Min on No. 18 Screen 1
G18 All Pass No. 14 Screen 1.4 SAE Sp 53
75% Max on No. 18 Screen 1
85% Min on No. 25 Screen 0.71
G25 All Pass No. 16 Screen 1.18 SAE Sp 54
70% Max on No. 25 Screen 0.71
80% Min on No. 40 Screen 0.425
G40 All Pass No. 18 Screen 1 SAE Sp 55
70% Max on No. 40 Screen 0.425
80% Min on No. 50 Screen 0.3
G50 All Pass No. 25 Screen 0.71 SAE Sp 56
65% Max on No. 50 Screen 0.3
75% Min on No. 80 Screen 0.18
G80 All Pass No. 40 Screen 0.425 SAE Sp 57
65% Max on No. 80 Screen 0.18
75% Min on No. 120 Screen 0.125
G120 All Pass No. 50 Screen 0.3 SAE Sp 58
60% Max on No. 120 Screen 0.125
70% Min on No. 200 Screen 0.075