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Changzhou Boma Machinery Co.,Ltd is one of the leading China short pitch heavy roller chain manufacturers and suppliers, and also a professional short pitch heavy roller chain company and factory, we are always at your service.
BOMA Machinery Co., Ltd. is located in HuangLi Town Industrial Park Wujin District Changzhou, Jiangsu Province. It is high-tech enterprises that operated chain, sprockets, electrical and mechanical equipment-based earlier in Changzhou.
| Chain No. | Pitch | Roller dia. | Inside Width | Pin dia. | Height of inner plate | Transverse pitch | Ultimate tensile strength | Weight approx. | |
| ANSI | ISO | p | d1(max) | b1(min) | d2(max) | h2 | Pt | Q | q |
| mm | mm | mm | mm | mm | mm | KN | Kg/m | ||
| 40H-1 | 08AH | 12.70 | 7.92 | 7.85 | 3.98 | 12.07 | - | 13.90 | 0.82 |
| 50H-1 | 10AH | 15.875 | 10.16 | 9.40 | 5.09 | 15.09 | - | 21.80 | 1.30 |
| 60H-1 | 12AH | 19.05 | 11.91 | 12.57 | 5.96 | 18.10 | - | 31.30 | 1.87 |
| 60H-2 | 26.11 | 62.60 | 3.71 | ||||||
| 60H-3 | 93.90 | 5.54 | |||||||
| 80H-1 | 16AH | 25.40 | 15.88 | 15.75 | 7.94 | 24.13 | - | 55.60 | 3.10 |
| 80H-2 | 32.59 | 111.20 | 6.10 | ||||||
| 80H-3 | 166.80 | 9.10 | |||||||
| 100H-1 | 20AH | 31.75 | 19.05 | 18.90 | 9.54 | 30.17 | - | 87.00 | 4.64 |
| 100H-2 | 39.09 | 174.00 | 9.14 | ||||||
| 100H-3 | 261.00 | 13.64 | |||||||
| 120H-1 | 24AH | 38.10 | 22.23 | 25.22 | 11.11 | 36.20 | - | 125.00 | 6.50 |
| 120H-2 | 48.87 | 250.00 | 12.80 | ||||||
| 120H-3 | 375.00 | 19.10 | |||||||
| 140H-1 | 28AH | 44.45 | 25.40 | 25.22 | 12.71 | 42.23 | - | 170.00 | 8.30 |
| 140H-2 | 52.20 | 340.00 | 16.30 | ||||||
| 140H-3 | 510.00 | 24.30 | |||||||
| 160H-1 | 32AH | 50.80 | 28.58 | 31.55 | 14.29 | 48.26 | - | 223.00 | 11.07 |
| 160H-2 | 61.90 | 446.00 | 21.97 | ||||||
| 160H-3 | 669.00 | 32.87 | |||||||
| 180H-1 | 36AH | 57.15 | 35.71 | 35.48 | 17.46 | 54.30 | - | 281.00 | 14.90 |
| 180H-2 | 69.16 | 562.00 | 29.56 | ||||||
| 180H-3 | 843.00 | 44.22 | |||||||
| 200H-1 | 40AH | 63.50 | 39.68 | 37.85 | 19.85 | 60.33 | - | 347.00 | 20.00 |
| 200H-2 | 78.31 | 694.00 | 39.50 | ||||||
| 200H-3 | 1041.00 | 59.00 | |||||||
| 240H-1 | 48AH | 76.20 | 47.63 | 47.35 | 23.81 | 72.39 | - | 500.00 | 30.00 |
| 240H-2 | 101.22 | 1000.00 | 59.50 | ||||||
| 240H-3 | 1500.00 | 89.00 | |||||||