Use the silver tone Bead Post as bead hangers for use with the Aanraku 18 in. neck wire - or anything else you'd like to attach beads to. Just unscrew the ball end, add your beads and reattach the ball. These have a shaft of about 2mm wide.
These come in three lengths:
1" has a beadable length of about one inch and measures about 1 5/8" overall
1.25" has a beadable length of about 1 1/4" inches and measures about 1 7/8" overall
1.5" has a beadable length of about 1 1/2" inches and measures about 2 1/8" overall.
Sold in packages of five, all one length.