Short Pitch Precision Roller Chain (B Series)
| BTX ISO/DIN Chain no. | Chain Designation | Pitch | Roller Diameter | Width between inner plates | Pin diameter | Pin Length | Inner Plate depth | Plate Thickness | Ultimate tensile strength | Average tensile strength | Weight per meter> |
| - | d1 max | d1 min | d2max | L max | h2 max | t/T max | Q min | Qo | q | ||
| - | mm | mm | mm | mm | mm | mm | kN/LB | kN | kg/m | ||
| 04 B-1 | 6X2. 8mm | 6. 000 | 4. 00 | 2. 80 | 1. 85 | 6. 80 | 5. 00 | 0. 60 | 3. 0/682 | 3. 2 | 0. 11 |
| 05 B-1 | 8X3mm | 8. 000 | 5. 00 | 3. 00 | 2. 31 | 8. 20 | 7. 10 | 0. 80 | 5. 0/1136 | 5. 9 | 0. 20 |
| 06 B-1 | 3/8ln. X 7/32ln. | 9. 525 | 6. 35 | 5. 72 | 3. 28 | 13. 15 | 8. 20 | 1. 30 | 9. 0/2045 | 10. 4 | 0. 41 |
| 08 B-1 | 1/2ln. X 5/16ln. | 12.700 | 8. 51 | 7.75 | 4. 45 | 16. 70 | 11. 80 | 1. 60 | 18. 0/4091 | 19. 4 | 0. 69 |
| 10 B-1 | 5/8ln. X 3/8ln. | 15. 875 | 10. 16 | 9. 65 | 5. 08 | 19. 50 | 14. 70 | 1. 70 | 22. 4/5091 | 27. 5 | 0. 93 |
| 12 B-1 | 3/4ln. X 7/16ln. | 19. 050 | 12. 07 | 11. 68 | 5. 72 | 22. 50 | 16. 00 | 1. 85 | 29. 0/6591 | 32. 2 | 1. 15 |
| 16 B-1 | 1in. X 11/16in. | 25. 400 | 15. 88 | 17. 02 | 8. 28 | 36. 10 | 21. 00 | 4. 15/3. 1 | 60. 0/13636 | 72. 8 | 2. 71 |
| 20 B-1 | 11/2in.X19.56m. | 31. 750 | 19. 05 | 19. 56 | 10. 19 | 41. 30 | 26. 40 | 4. 5/3. 5 | 95. 0/21591 | 106. 7 | 3. 70 |
| 24 B-1 | 11/2X1in | 38. 100 | 25. 40 | 25. 40 | 14. 36 | 53. 40 | 33. 20 | 6. 0/4. 8 | 160. 0/36364 | 178. 0 | 7. 10 |
| 28 B-1 | 1-3/4X11/4in | 44. 450 | 27. 94 | 30. 99 | 15. 90 | 65. 10 | 36. 70 | 7. 5/6. 0 | 200. 0/45455 | 222. 0 | 8. 50 |
| 32 B-1 | 2inX31mm | 50. 800 | 29. 21 | 30. 99 | 17. 81 | 66. 00 | 42. 00 | 7. 0/6. 0 | 250. 0/56818 | 277. 5 | 10. 25 |
| 40 B-1 | 21/2inX11/2in | 63. 500 | 39. 37 | 38. 10 | 22. 89 | 82. 20 | 52. 96 | 8. 5/8. 0 | 355. 0/80682 | 394. 0 | 16. 35 |
| 48 B-1 | 3inX1-3/4in | 76. 200 | 48. 26 | 45. 72 | 29. 24 | 99. 10 | 63. 80 | 12. 0/10. 0 | 560. 0/127272 | 621. 6 | 25. 00 |
| BTX ISO/DIN Chain no. | Chain Designation | Pitch | Roller Diameter | Width between inner plates | Pin diameter | Pin Length | Inner Plate depth | Plate Thickness | Transverse pitch | Ultimate tensile strength> | Average tensile strength | Weight per meter |
| - | d1 max> | d1 min | d2max | L max | h2 max | t/T max | Pt | Q min | Qo | q | ||
| - | mm | mm | mm | mm | mm | mm | mm | kN/LB | kN | kg/m | ||
| 05 B-2 | 8X3mm | 8. 000 | 5. 00 | 3. 00 | 2. 31 | 13. 9 | 7. 10 | 0. 80 | 5. 64 | 7. 8/1773 | 10. 2 | 0. 33 |
| 06 B-2 | 3/8ln. X 7/32ln. | 9. 525 | 6. 35 | 5. 72 | 3. 28 | 23. 4 | 8. 20 | 1. 30 | 10. 24 | 16. 9/3841 | 18. 7 | 0. 77 |
| 08 B-2 | 1/2ln. X 5/16ln. | 12.700 | 8. 51 | 7.75 | 4. 45 | 31. 2 | 11. 80 | 1. 60 | 13. 92 | 32. 0/7273 | 38. 7 | 1. 34 |
| 10 B-2 | 5/8ln. X 3/8ln. | 15. 875 | 10. 16 | 9. 65 | 5. 08 | 36. 1 | 14. 70 | 1. 70 | 16. 59 | 44. 5/10114 | 56. 2 | 1. 84 |
| 12 B-2 | 3/4ln. X 7/16ln. | 19. 050 | 12. 07 | 11. 68 | 5. 72 | 42. 0 | 16. 00 | 1. 85 | 19. 46 | 57. 8/13136 | 66. 1 | 2. 31 |
| 16 B-2 | 1in. X 11/16in. | 25. 400 | 15. 88 | 17. 02 | 8. 28 | 68. 0 | 21. 00 | 4. 15/3. 1 | 31. 88 | 106. 0/24091 | 133. 0 | 5. 42 |
| 20 B-2 | 11/2in.X19.56m. | 31. 750 | 19. 05 | 19. 56 | 10. 19 | 77. 8 | 26. 40 | 4. 5/3. 5 | 36. 45 | 170. 0/38636 | 211. 2 | 7. 20 |
| 24 B-2 | 11/2X1in | 38. 100 | 25. 40 | 25. 40 | 14. 36 | 101. 7 | 33. 20 | 6. 0/4. 8 | 48. 36 | 280. 0/63636 | 319. 2 | 13. 40 |
| 28 B-2 | 1-3/4X11/4in | 44. 450 | 27. 94 | 30. 99 | 15. 90 | 124. 6 | 36. 70 | 7. 5/6. 0 | 59. 56 | 360. 0/81818 | 406. 8 | 16. 60 |
| 32 B-2 | 2inX31mm | 50. 800 | 29. 21 | 30. 99 | 17. 81 | 124. 6 | 42. 00 | 7. 0/6. 0 | 58. 55 | 450. 0/102273 | 508. 5 | 21. 00 |
| 40 B-2 | 21/2inX11/2in | 63. 500 | 39. 37 | 38. 10 | 22. 89 | 154. 5 | 52. 96 | 8. 5/8. 0 | 72. 29 | 630. 0/143182 | 711. 9 | 32. 00 |
| 48 B-2 | 3inX1-3/4in | 76. 200 | 48. 26 | 45. 72 | 29. 24 | 190. 4 | 63. 80 | 12. 0/10. 0 | 91. 21 | 1000. 0/227272 | 1130. 0 | 50. 00 |
