Maryland Metrics supplies a complete line of AL series Leaf Chains manufactured to JIS B1804. Products are available from 1/2 to 2 inch pitch.
| JIS Chain No. | Pitch | Plate Thickness | Hole Diameter of Articulating Link Plates | Pin Diameter | Chain Path Depth | Plate Depth | Pin Length | Lacing | Breaking Load | |
| Inch | mm | daN | ||||||||
| AL422 | 1/2 | 12.70 | 1.57 | 4.00 | 3.98 | 10.02 | 9.76 | 8.60 | 2*2 | 1410 |
| AL444 | 14.9 | 4*4 | 2820 | |||||||
| AL466 | 20.8 | 6*6 | 4230 | |||||||
| AL522 | 5/8 | 15.875 | 2.08 | 5.12 | 5.09 | 13.24 | 13.03 | 11.05 | 2*2 | 2224 |
| AL544 | 19.51 | 4*4 | 4448 | |||||||
| AL566 | 27.99 | 6*6 | 6672 | |||||||
| AL622 | 3/4 | 19.05 | 2.44 | 5.98 | 5.96 | 15.90 | 15.62 | 12.90 | 2*2 | 3336 |
| AL644 | 22.78 | 4*4 | 6672 | |||||||
| AL666 | 32.18 | 6*6 | 10008 | |||||||
| AL822 | 1 | 25.40 | 3.30 | 7.96 | 7.94 | 21.10 | 20.83 | 17.37 | 2*2 | 4893 |
| AL844 | 30.78 | 4*4 | 9786 | |||||||
| AL866 | 44.20 | 6*6 | 14679 | |||||||
| AL1022 | 1 1/4 | 31.75 | 4.09 | 9.56 | 9.54 | 26.36 | 26.04 | 21.34 | 2*2 | 8452 |
| AL1044 | 37.90 | 4*4 | 16903 | |||||||
| AL1066 | 54.46 | 6*6 | 25354 | |||||||
| AL1222 | 1 1/2 | 28.10 | 4.90 | 11.14 | 11.11 | 31.48 | 31.24 | 25.37 | 2*2 | 11566 |
| AL1244 | 45.19 | 4*4 | 23130 | |||||||
| AL1266 | 65.00 | 6*6 | 34695 | |||||||
| AL1422 | 1 3/4 | 44.45 | 5.77 | 12.74 | 12.71 | 36.70 | 36.54 | 29.62 | 2*2 | 15124 |
| AL1444 | 52.88 | 4*4 | 30247 | |||||||
| AL1466 | 76.15 | 6*6 | 45370 | |||||||
| AL1622 | 2 | 20.80 | 6.55 | 14.31 | 14.29 | 42.13 | 41.66 | 33.55 | 2*2 | 19127 |
| AL1644 | 59.97 | 4*4 | 38253 | |||||||
| AL1666 | 86.39 | 6*6 | 57824 | |||||||
For other leaf chains (balance chains), please visit the following links:
BL/LH Series Leaf Chains: LH0882 - LH4088 or
BL422 - BL2088 (pitch: 1/2" - 2 1/2")
LL Series Leaf Chain: LL0822 - LL3266 (pitch:
1/2" - 2")