Abrasive Blast Cabinets591 W. Apollo St. - Brea, California 92821 | 714-257-0484 | FAX: 714-257-0184 | Email: sales@mediablast.com
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Grit Size Conversion Chart

This chart is only a guideline. Consult abrasive manufacturer for more concise information.

ABRASIVE GRADING CONVERSION CHART

GRIT
MESH USS*
Maximum
INCHES
AVERAGE
Minimum
Maximum
MICRONS
AVERAGE
Minimum
8
7
0.1300
0.0870
0.0650
3300
2210
1650
10
8
0.1300
0.0730
0.0550
2286
1854
1397
12
10
0.0900
0.0630
0.0450
2286
1600
1143
14
12
0.0750
0.0530
0.0370
1905
1346
940
16
14
0.0650
0.0430
0.0310
1650
1092
787
20
16
0.0530
0.0370
0.0260
1346
940
660
24
20
0.0430
0.0270
0.0180
1092
686
487
30
25
0.0320
0.0220
0.0140
813
559
356
36
30
0.0300
0.0190
0.0120
762
483
305
46
40
0-022
0.0140
0.0095
559
356
241
54
45
0.0195
0.0120
0.0080
495
305
203
60
50
0.0160
0.0100
0.0065
406
254
165
70
60
0.0130
0.0080
0.0050
330
203
127
80
70
0.0115
0.0065
0.0040
292
165
102
90
80
0.0095
0.0057
0.0035
241
145
89
100
100
0.0080
0.0048
0.0025
203
122
63
120
120
0.0065
0.0040
0.0020
165
102
50
150
140
0.0055
0.0035
0.0015
140
89
38
180
170
0.0045
0.0030
0.0010
114
76
25
220
200
0.0040
0.0025
0.0008
102
63
20
240
200
0.0033
0.0020
0.00099
85
50
25
280
**
0.0028
0.00154
0.00075
70
39
9
320
**
0.0024
0.00122
0.00055
60
31
14
400
**
0.0018
0.00087
0.00043
45
22
11
500
**
0.0016
0.00075
0.00039
40
19
10
600
**, ^
0.0014
0.00063
0.00035
35
16
9
700
**, ^
0.0013
0.00055
0.00028
32
14
7
800
**, ^
0.0012
0.00047
0.00020
30
12
5
900
**, ^
0.0009
0.00035
0.00012
23
9
3
1000
**, ^
0.0009
0.00028
0.00008
23
7
2

*  USS - United States Standard Sieve screen size
** Abrasives finer than 240 grit cannot be accurately screened. Grading is accomplished by hydraulic or pneumatic methods.
^  Microfine abrasives are typically only used in wet blast cabinets.

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Standard Color: Glacier White   Optional Colors: Beige Grabber Blue
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