Product Materials

Shaft Collars and Rigid Couplings:

• Steel: 1215 bar
• Aluminum: 2024-T351 bar
• 303 Stainless Steel: Type 303 austenitic, non-magnetic bar
• 316 Stainless Steel: Type 316L austenitic, non-magnetic bar
• Plastic: Acetal

Quick Clamping Shaft Collars (QCL, MQCL):

• Aluminum Body: 6061-T651 bar
• Handle: 6063-T651

Heavy Duty Shaft Collars (SPH, MSPH):

• Steel: 1215 bar or A519 Hot Finished 1026 Carbon Steel

Beam Couplings:

• Aluminum: 7075-T651 extruded and drawn aluminum bar
• 303 Stainless Steel: Type 303 austenitic, non-magnetic bar

Oldham Couplings:

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

Bellows Couplings:

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

Jaw Couplings:

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

Disc Couplings:

• Aluminum Hubs: 2024-T351 or 7075-T651 bar
• Disc Springs: Type 302 stainless steel
• Center Spacer: 2024-T351 bar, 7075-T651 bar, or acetal bar

Custom Materials

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