Shaft Collars and Rigid Couplings:

• Steel: 1215 bar
• Aluminum: 2024-T351 bar
• Stainless Steel: Product part numbers ending in "SS": 18-8 (type 303) austenitic, non-magnetic bar. Product part numbers ending in "ST": type 316L.
• Plastic: Acetal

Jaw Couplings:

• Aluminum: 2024 T351 or 7075 T651 bar
• Spiders: Polyurethane

Beam Couplings:

• Aluminum: 7075-T651 Extruded and Drawn Aluminum bar
• Stainless Steel: 18-8 (type 303) austenitic, non-magnetic bar

Oldham Couplings:

• Torque Disks: Acetal or Nylon 11
• Aluminum: 2024 T351 or 7075 T651 bar

Bellows Couplings:

• Aluminum Hubs: 2024 T351 or 7075 T651 bar
• Bellows: AISI 321 stainless steel

Disc Couplings:

• Aluminum Hubs & Center Disc: 2024 T351 or 7075 T651 bar
• Disc Springs: AISI 302 stainless steel
• Insulating Center Disc: Acetal

Custom Materialess

• Other materials are available on a custom manufactured basis; please contact Ruland for a quotation.