The FMM type coupling consists of one universal hub (FMM mill type), one standard F type flex hub, two standard F type flex sleeves, and one accessory kit.
This coupling is supplied with exposed bolts as standard, with shrouded bolts are available upon request through size 5.5.
The FMM type mill universal hub accommodates AISE mill motor frame sizes (with the two sleeves and second hub being standard F type).