All alloy steel building
Entirely molded seals preserve lubricant retention below misalignment ailments
Exposed bolts are conventional, shrouded bolts are optional
Common FA Style
Double engagement (‘F’ flex-flex) for parallel and angular misalignment
Market conventional flange bolt patterns
Single engagement FAFR Kind
Single engagement (‘FFR’ Flex-Rigid) accommodates angular misalignment only and it is best for floating shaft applications
Mill Motor FAMM Kind
1st hub designed with longer universal hub on one end to accommodate straight 
or tapered shafts
Second hub bored to consumer specs
Standard design accommodates AISE Mill Motor frame sizes
Sleeves and second hub are normal
Added Specialty Coupling Styles
Stainless Steel
Nylon Sleeves
Large Pace RAHS Style
Brake Drum FBD and FBW Varieties
Insulated FI Sort
Vertical Floating Shaft FVFS Style
F Design Cutout Shifter FCS Type