| GLASS BEAD CONVERSION CHART |
(Chart is for reference only. Please consult glass bead manufacturers 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) | ZERO | ||||||
| 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 | |||||||
|
| |||||||||
.text:''):(d.getSelection?d.getSelection():'');void(keyit=window.open('http://my.poco.cn/fav/storeIt.php?t='+escape(d.title)+'&u='+escape(d.location.href)+'&c='+escape(t)+'&img=http://www.h-strong.com/blog/logo.gif','keyit','scrollbars=no,width=475,height=575,status=no,resizable=yes'));keyit.focus();){kind=link}