All alloy steel development
Entirely molded seals preserve lubricant retention underneath misalignment problems
Exposed bolts are normal, shrouded bolts are optional
Regular FA Variety
Double engagement (‘F’ flex-flex) for parallel and angular misalignment
Field regular 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 Variety
Initially hub built with longer universal hub on 1 finish to accommodate straight or tapered shafts
2nd hub bored to customer specifications
Standard style and design accommodates AISE Mill Motor frame sizes
Sleeves and second hub are typical
Extra Specialty Coupling Varieties
Stainless Steel
Nylon Sleeves
Higher Pace RAHS Type
Brake Drum FBD and FBW Styles
Insulated FI Variety
Vertical Floating 
Shaft FVFS Variety
F Style Cutout Shifter FCS Type