Have questions or need a quote?

| 
 American Standard A1 & K1 Attachments Roller Chains  | 
|||||||
| 
 Chain  | 
 Pitch  | 
 I  | 
 J  | 
 K  | 
 L  | 
 M  | 
 O  | 
| 
 P  | 
|||||||
| 
 inches  | 
|||||||
| 
 40  | 
 0.500  | 
 0.374  | 
 1.000  | 
 1.386  | 
 0.059  | 
 0.311  | 
 0.134  | 
| 
 50  | 
 0.625  | 
 0.500  | 
 1.250  | 
 1.819  | 
 0.080  | 
 0.406  | 
 0.217  | 
| 
 60  | 
 0.750  | 
 0.626  | 
 1.500  | 
 2.189  | 
 0.095  | 
 0.469  | 
 0.217  | 
| 
 80  | 
 1.000  | 
 0.752  | 
 2.000  | 
 2.551  | 
 0.128  | 
 0.626  | 
 0.268  | 
| 
 100  | 
 1.250  | 
 1.000  | 
 2.500  | 
 3.437  | 
 0.157  | 
 0.780  | 
 0.362  | 
| 
 120  | 
 1.500  | 
 1.126  | 
 3.000  | 
 4.272  | 
 0.189  | 
 0.906  | 
 0.386  | 
| 
 140  | 
 1.750  | 
 1.374  | 
 3.500  | 
 4.843  | 
 0.220  | 
 1.126  | 
 0.449  | 
| 
 160  | 
 2.000  | 
 1.500  | 
 4.000  | 
 5.622  | 
 0.252  | 
 1.252  | 
 0.516  | 
Note: check attachment dimensions before ordering since manufacturing standards may vary