MARTIN SPROCKET Triplex Stock Bore B Type Metric Roller Chain Sprockets, 12B-3 Chain Number
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| Style | Model | Material | Pitch Dia. | No. Of Teeth | Length Through Bore | Hub Dia. | Bore Dia. | Chain Size | Pitch | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | E12B12 | High Carbon Steel | 73.604 mm | 12 | 70.002 mm | 53.01 mm | 20 mm to 37 mm | #12B-3 | 19.05 mm | €313.60 | |
| B | E12B13 | High Carbon Steel | 79.602 mm | 13 | 70.002 mm | 59.004 mm | 20 mm to 41 mm | #12B-3 | 19.05 mm | €339.85 | |
| C | E12B14 | High Carbon Steel | 85.61 mm | 14 | 70.002 mm | 64.999 mm | 20 mm to 45 mm | #12B-3 | 19.05 mm | €348.88 | |
| D | E12B45 | High Carbon Steel | 273.093 mm | 45 | 70.002 mm | 129.997 mm | 25 mm to 91 mm | #12B-3 | 19.05 mm | €1,100.72 | |
| E | E12B18 | High Carbon Steel | 109.705 mm | 18 | 70.002 mm | 89.002 mm | 20 mm to 62 mm | #12B-3 | 19.05 mm | €421.42 | |
| F | E12B36 | High Carbon Steel | 218.574 mm | 36 | 70.002 mm | 129.997 mm | 25 mm to 91 mm | #12B-3 | 19.05 mm | €791.31 | |
| F | E12B38 | High Carbon Steel | 230.687 mm | 38 | 70.002 mm | 129.997 mm | 25 mm to 91 mm | #12B-3 | 19.05 mm | €860.04 | |
| G | E12B30 | High Carbon Steel | 182.247 mm | 30 | 70.002 mm | 119.99 mm | 20 mm to 84 mm | #12B-3 | 19.05 mm | €695.66 | |
| F | E12B28 | High Carbon Steel | 170.143 mm | 28 | 70.002 mm | 119.99 mm | 20 mm to 84 mm | #12B-3 | 19.05 mm | €602.13 | |
| H | E12B22 | High Carbon Steel | 133.858 mm | 22 | 70.002 mm | 100 mm | 20 mm to 70 mm | #12B-3 | 19.05 mm | €446.62 | |
| I | E12B21 | High Carbon Steel | 127.816 mm | 21 | 69.977 mm | 100 mm | 20 mm to 70 mm | #12B-3 | 19.05 mm | €432.96 | |
| J | E12B19 | High Carbon Steel | 115.739 mm | 19 | 70.002 mm | 94.996 mm | 20 mm to 66 mm | #12B-3 | 19.05 mm | €443.59 | |
| K | E12B17 | High Carbon Steel | 103.674 mm | 17 | 70.002 mm | 83.007 mm | 20 mm to 58 mm | #12B-3 | 19.05 mm | €401.38 | |
| L | E12B15 | High Carbon Steel | 91.625 mm | 15 | 70.002 mm | 70.993 mm | 20 mm to 50 mm | #12B-3 | 19.05 mm | €362.01 | |
| M | E12B11 | High Carbon Steel | 67.617 mm | 11 | 70.002 mm | 46.99 mm | 20 mm to 33 mm | #12B-3 | 19.05 mm | €304.54 | |
| F | E12B29 | High Carbon Steel | 176.195 mm | 29 | 70.002 mm | 119.99 mm | 20 mm to 84 mm | #12B-3 | 19.05 mm | €648.81 | |
| F | E12B27 | High Carbon Steel | 164.093 mm | 27 | 70.002 mm | 119.99 mm | 20 mm to 84 mm | #12B-3 | 19.05 mm | €555.46 | |
| F | E12B26 | High Carbon Steel | 158.043 mm | 26 | 70.002 mm | 119.99 mm | 20 mm to 84 mm | #12B-3 | 19.05 mm | €508.79 | |
| N | E12B25 | High Carbon Steel | 151.995 mm | 25 | 70.002 mm | 119.99 mm | 20 mm to 84 mm | #12B-3 | 19.05 mm | €485.54 | |
| O | E12B24 | High Carbon Steel | 145.948 mm | 24 | 70.002 mm | 109.982 mm | 20 mm to 77 mm | #12B-3 | 19.05 mm | €472.63 | |
| P | E12B23 | High Carbon Steel | 139.902 mm | 23 | 70.002 mm | 110.007 mm | 20 mm to 77 mm | #12B-3 | 19.05 mm | €459.89 | |
| Q | E12B20 | High Carbon Steel | 121.776 mm | 20 | 70.002 mm | 100 mm | 20 mm to 70 mm | #12B-3 | 19.05 mm | €408.63 | |
| F | E12B48 | High Carbon Steel | 291.27 mm | 48 | 70.002 mm | 129.997 mm | 25 mm to 90 mm | #12B-3 | 19.05 mm | €1,128.05 | |
| F | E12B35 | Steel | 212.518 mm | 35 | 70.002 mm | 129.997 mm | 25 mm to 91 mm | 12B-3 | 19.05 mm | €770.05 |
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