Type A-Stock Bore Sprockets
Steel Sprockets
| Stock No. | Chain Size | No. of Teeth | Stock Bore | Wt. Lbs. |
| 250040105 | 40 | 10 | 1/2 | .22 |
| 250040115 | 40 | 11 | 1/2 | .23 |
| 250040125 | 40 | 12 | 1/2 | .25 |
| 250040135 | 40 | 13 | 1/2 | .25 |
| 250040145 | 40 | 14 | 1/2 | .25 |
| 250040155 | 40 | 15 | 5/8 | .25 |
| 250040165 | 40 | 16 | 5/8 | .32 |
| 250040175 | 40 | 17 | 5/8 | .38 |
| 250040185 | 40 | 18 | 5/8 | .38 |
| 250040195 | 40 | 19 | 5/8 | .44 |
| 250040205 | 40 | 20 | 5/8 | .50 |
| 250040215 | 40 | 21 | 5/8 | .56 |
| 250040225 | 40 | 22 | 5/8 | .56 |
| 250040235 | 40 | 23 | 5/8 | .69 |
| 250040245 | 40 | 24 | 5/8 | .75 |
| 250040255 | 40 | 25 | 5/8 | .83 |
| 250040265 | 40 | 26 | 5/8 | .88 |
| 250040275 | 40 | 27 | 5/8 | 1.00 |
| 250040285 | 40 | 28 | 5/8 | 1.06 |
| 250040305 | 40 | 30 | 5/8 | 1.19 |
| 250040325 | 40 | 32 | 5/8 | 1.38 |
| 250040355 | 40 | 35 | 5/8 | 1.63 |
| 250040365 | 40 | 36 | 5/8 | 1.63 |
| 250040405 | 40 | 40 | 5/8 | 2.25 |
| 250040455 | 40 | 45 | 3/4 | 2.75 |
| 250040485 | 40 | 48 | 3/4 | 3.25 |
| 250050105 | 50 | 10 | 1/2 | .30 |
| 250050115 | 50 | 11 | 1/2 | .31 |
| 250050125 | 50 | 12 | 5/8 | .32 |
| 250050135 | 50 | 13 | 5/8 | .38 |
| 250050145 | 50 | 14 | 5/8 | .44 |
| 250050155 | 50 | 15 | 5/8 | .50 |
| 250050165 | 50 | 16 | 5/8 | .63 |
| 250050175 | 50 | 17 | 5/8 | .69 |
| 250050185 | 50 | 18 | 5/8 | .75 |
| 250050195 | 50 | 19 | 5/8 | 0.88 |
| 250050205 | 50 | 20 | 3/4 | 1.00 |
| 250050215 | 50 | 21 | 3/4 | 1.13 |
| 250050225 | 50 | 22 | 3/4 | 1.19 |
| 250050235 | 50 | 23 | 3/4 | 1.38 |
| 250050245 | 50 | 24 | 3/4 | 1.44 |
| 250050255 | 50 | 25 | 3/4 | 1.56 |
| 250050265 | 50 | 26 | 3/4 | 1.69 |
| 250050275 | 50 | 27 | 3/4 | 1.88 |
| 250050285 | 50 | 28 | 3/4 | 2.00 |
| 250050305 | 50 | 30 | 3/4 | 2.32 |
| 250050325 | 50 | 32 | 3/4 | 2.63 |
| 250050345 | 50 | 34 | 3/4 | 3.13 |
| 250050365 | 50 | 36 | 3/4 | 3.38 |
| 250050405 | 50 | 40 | 3/4 | 4.19 |
| 250060095 | 60 | 9 | 1/2 | 0.42 |
| 250060105 | 60 | 10 | 3/4 | 0.44 |
| 250060115 | 60 | 11 | 3/4 | 0.56 |
| 250060125 | 60 | 12 | 3/4 | 0.63 |
| 250060135 | 60 | 13 | 3/4 | 0.83 |
| 250060145 | 60 | 14 | 3/4 | 1.00 |
| 250060155 | 60 | 15 | 3/4 | 1.13 |
| 250060165 | 60 | 16 | 3/4 | 1.25 |
| 250060175 | 60 | 17 | 3/4 | 1.50 |
| 250060185 | 60 | 18 | 3/4 | 1.63 |
| 250060195 | 60 | 19 | 3/4 | 1.88 |
| 250060205 | 60 | 20 | 3/4 | 2.13 |
| 250060215 | 60 | 21 | 3/4 | 2.32 |
| 250060225 | 60 | 22 | 3/4 | 2.63 |
| 250060235 | 60 | 23 | 3/4 | 2.75 |
| 250060245 | 60 | 24 | 3/4 | 3.00 |
| 250060255 | 60 | 25 | 3/4 | 3.44 |
| 250060265 | 60 | 26 | 3/4 | 3.69 |
| 250060275 | 60 | 27 | 3/4 | 4.00 |
| 250060285 | 60 | 28 | 3/4 | 4.25 |
| 250060305 | 60 | 30 | 3/4 | 4.75 |
| 250060325 | 60 | 32 | 3/4 | 5.38 |
| 250060345 | 60 | 34 | 1 | 6.13 |
| 250060355 | 60 | 35 | 1 | 6.38 |
| 250060365 | 60 | 36 | 1 | 7.00 |
| 250060405 | 60 | 40 | 1 | 8.50 |
| 250080095 | 80 | 9 | 15/16 | 0.80 |
| 250080105 | 80 | 10 | 15/16 | 1.0 |
| 250080115 | 80 | 11 | 15/16 | 1.30 |
| 250080125 | 80 | 12 | 15/16 | 1.60 |
| 250080135 | 80 | 13 | 15/16 | 1.90 |
| 250080145 | 80 | 14 | 15/16 | 2.20 |
| 250080155 | 80 | 15 | 15/16 | 2.50 |
| 250080165 | 80 | 16 | 15/16 | 2.90 |
| 250080175 | 80 | 17 | 15/16 | 3.20 |
| 250080185 | 80 | 18 | 15/16 | 3.50 |
| 250080195 | 80 | 19 | 15/16 | 3.80 |
| 250080205 | 80 | 20 | 15/16 | 4.10 |
| 250080215 | 80 | 21 | 15/16 | 4.40 |
| 250080225 | 80 | 22 | 15/16 | 4.70 |
| 250080235 | 80 | 23 | 15/16 | 5.00 |
| 250080245 | 80 | 24 | 15/16 | 5.30 |
| 250080255 | 80 | 25 | 15/16 | 5.60 |
| 250080265 | 80 | 26 | 13/16 | 5.90 |
| 250080275 | 80 | 27 | 13/16 | 6.20 |
| 250080285 | 80 | 28 | 13/16 | 6.50 |
| 250080305 | 80 | 30 | 13/16 | 6.80 |
| 250080325 | 80 | 32 | 13/16 | 7.10 |
| 250080355 | 80 | 35 | 13/16 | 7.40 |
| 250080365 | 80 | 36 | 13/16 | 7.70 |
| 250080405 | 80 | 40 | 13/16 | 8.00 |