Glass Beads Sizes Chart
SCREEN SIZE MIL. SPEC. (PRF-9954D) 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 …