a large-holed, thin-walled metal bead that is crushed to secure the cable

a metal bead that is designed to be crushed or squashed into place without breaking, so that it can grip what ever it has been squashed onto and hold it

a tiny metal bead that clamps flat to hold wire by pressure.

A soft metal bead which is smashed onto beading wire (or other strong stringing material) to hold beads on and attach clasps.

A crimp bead is a soft, metal bead through which string (for a bracelet or necklace) is threaded; the crimp bead can be squeezed shut with a pliers to secure the end loops of the threading material fasteners onto the clasps.