The #40SS stainless steel roller link is the inner link of a roller chain. These are great to extended a new chain or for a temporary quick fix for a broken roller link.
40SS Roller Link Dimensions
- Pitch (P):1/2''
- Inner Width (b1):5/16''
- Roller Diameter (d1):0.312''
- Chain Material:#304 Stainless
All dimensions listed are nominal values.