Please consult AFI for exact specifications.
U. S.
STANDARD
SCREEN SIZE |
MIL. SPEC.
(G-9954A) |
MIL. SPEC.
(S-13165B) |
COMMON BRANDS |
SAE
(J-1173) |
BEAD SIZE RANGE
(DIA., INCHES) |
FLEX-O-LITE
(BLAST-O-LITE) |
POTTERS
(BALLOTINI) |
CATAPHOTE
(MICROBEAD) |
|
12-14 |
No. 1 |
|
BT 1 |
1 |
|
801-201 |
|
.0661-.0555 |
14-20 |
No. 2 |
|
BT 2 |
2 |
|
801-202 |
|
.0555-.0331 |
20-30 |
No. 3 |
331 |
BT 3 |
3 or A |
MS-XGX |
801-203 |
GB-70 |
.0331-.0234 |
20-80 |
|
|
|
AA |
|
|
|
.0331-.0070 |
25-35 |
|
|
|
|
MS-XPX |
|
|
.0283-.0197 |
25-45 |
|
|
|
AAA |
MS-XP |
|
|
.0283-.0171 |
30-40 |
No. 4 |
232 |
BT 4 |
4 or B |
|
801-204 |
GB-50 |
.0234-.0165 |
35-45 |
|
197 |
|
|
|
|
|
.0197-.0171 |
35-60 |
|
|
|
|
MS-P |
|
|
.0197-.0098 |
40-50 |
No. 5 |
165 |
BT 5 |
5 |
|
801-205 |
GB-35 |
.0165-.0117 |
40-60 |
|
|
BOL 21 |
C |
|
|
|
.0165-.0098 |
40-70 |
|
|
|
|
MS-XHX |
|
|
.0165-.0083 |
45-60 |
|
138 |
|
|
|
|
|
.0171-.0098 |
50-70 |
No. 6 |
117 |
BT 6 |
6 or D |
|
801-206 |
GB-25 |
.0117-.0083 |
50-80 |
|
|
BOL 23 |
AB |
MS-XH |
|
|
.0117-.0070 |
60-80 |
No. 7 |
98 |
BT 7 |
7 or E |
|
801-207 |
GB-20 |
.0098-.0070 |
60-100 |
|
|
BOL 24 |
|
MS-H |
|
|
.0098-.0059 |
60-120 |
|
|
|
AC |
|
|
|
.0098-.0049 |
70-100 |
No. 8 |
83 |
BT 8 |
8 or F |
|
801-208 |
GB-18 |
.0083-.0059 |
70-140 |
|
|
BOL 25 |
AD |
MS-MH |
|
|
.0083-.0041 |
80-120 |
No. 9 |
70 |
BT 9 |
9 or G |
|
801-209 |
GB-15 |
.0070-.0049 |
100-140 |
|
|
|
H |
|
|
|
.0059-.0041 |
100-170 |
No. 10 |
|
BT 10 |
10 or AE |
|
801-210 |
|
.0059-.0035 |
100-200 |
|
|
BOL 26 |
|
MS-M |
|
|
.0059-.0029 |
120-170 |
|
|
|
AG |
|
|
|
.0049-.0035 |
120-200 |
No. 11 |
|
BT 11 |
11 |
|
801-211 |
|
.0049-.0029 |
140-200 |
|
|
|
J |
|
|
|
.0041-.0029 |
140-230 |
No. 12 |
|
BT 12 |
12 |
|
801-212 |
|
.0041-.0025 |
140-270 |
|
|
BOL 27 |
|
MS-ML |
|
|
.0041-.0021 |
170-230 |
|
|
|
|
|
|
|
.0035-.0025 |
170-325 |
No. 13 |
|
BT 13 |
13 or AH |
MS-L |
801-213 |
|
.0035-.0017 |
170 and Finer |
|
|
|
AL |
|
|
|
.0035 and Finer |
200-270 |
|
|
|
N |
|
|
|
.0029-.0021 |
200-325 |
|
|
BOL 29 |
|
|
|
|
.0029-.0017 |
230-325 |
|
24 |
|
O |
|
|
|
.0025-.0017 |
270-400 |
|
|
|
P |
|
|
|
.0021-.0015 |
270 and Finer |
|
|
|
AI |
MS-XL |
|
|
.0021 and Finer |
325 and Finer |
|
|
BOL 30 |
AQ |
MS-XLX |
801-214 |
|
.0017 and Finer |
400 and Finer |
|
|
|
AS |
|
|
|
.0015 and Finer |
Bold Print indicates the most commonly used glass bead sizes. Mil.Spec.#8 is the most commonly used bead size.
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