Product Finishes

Shaft Collars and Rigid Couplings

• Steel: Hot Process Black Oxide, impregnated with napthenic oil, centrifugally dried.
• Zinc Plated Steel: Type II, SC2 Zinc Plating with a Yellow "Trivalent" Chromate Conversion Coating, meets or exceeds ASTM B633-98
• Aluminum: Bright Finish
• Stainless Steel: Bright Finish
• Plastic: Plain Finish

Beam Couplings

• Aluminum: Bright Finish
• Stainless Steel: Bright Finish

Bellows Couplings

• Aluminum Hubs: Sulfuric Anodized MIL-A-8625 Type II, class 2

Jaw Couplings

• Aluminum Hubs: Bright Finish

Oldham Couplings

• Aluminum Hubs: Sulfuric Anodized MIL-A-8625 Type II, class 2

Disc Couplings

• Aluminum Hubs & Center Disc: Sulfuric Anodized MIL-A-8625 Type II, class 2

Custom Finishes

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