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Duplex lube free chain half links are used for making repairs and for adjusting the length of a roller chain. They are known as half links because when assembled they only add half of a pitch. A standard half link consists of a roller, one bushing, one pin with a cotter, and two side plates to hold everything in.
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| Product properties | |
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| Brand | Tsubaki |
| Category | Lube Free |
| Number of Rows | Duplex |
| Material | Steel |
| Series | Lube Free |
| Industry | Industrial |
| Pitch (mm) | 31.75 |
| Type | British Standard |
| Item | Half Link |
| ISO Chain No | 20B |
| Roller Diameter (mm) | 19.05 |
| Pin Diameter (mm) | 10.19 |
| Pin Length (Lc max mm) | 79.7 |
| Inner Plate Depth (mm) | 26.4 |
| Plate Thickness (mm) | 4.4 / 3.4 |
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