
Maryland Metrics offers top quality 81X Series Agricultural Conveyor Roller Chain for lumber conveyors, trimmer saws, stackers, transfers, unscramblers and sorters. Products in stainless steel (81XSS and 81XHSS) are also available on request. Sometimes they are also classified as steel bushed roller chains, engineering class chains (engineered chains), lumber conveyor chains, wood trimmer chains, or straight sidebar conveyor chains.

| Chain No. | Pitch | Roller Diameter | Width Between Inner Plates | Pin Diameter | Pin Length | Plate Depth | Ultimate Tensile Strength | |
| in | mm | daN | ||||||
| 81X | 2.609 | 66.27 | 23.00 | 27.00 | 11.10 | 29.50 | 28.60 | 10670 |
| 81XH | 32.30 | 31.40 | 15200 | |||||
| 81XHH | 32.30 | 31.40 | 18670 | |||||
| 3939 | 8.000 | 203.20 | 23.02 | 26.99 | 11.10 | 49.00 | 4.00 | 12225 |
| A5188 | 2.609 | 66.27 | 28.58 | 23.80 | 12.60 | - | 28.80 | 13350 |
| SGR188 | 66.27 | 22.23 | 26.50 | 11.10 | 60.00 | 28.80 | 14300 | |
| C1594 | 2 3/4 | 69.85 | 31.75 | 25.60 | 14.27 | - | 32.50 | 10673 |
For other agricultural chains, please visit the following links: .
A and CA Series Agricultural Chain: A550 - A620;
CA550 - CA620
Sharp Top Chain: 60 - 160; 12B-32B (Single to Sextuple)
Steel Detachable Link Chain: 25 - 72; Type S Steel
Roller Chain: S32 - S88
Welded Steel Type Cranked Link Mill Chain: WR(C)78 -
WR(C)157
Welded Type Cranked Link Drag Chain: WD(H)102 -
WD(H)480