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X345 X458 X678 S348 S458 S678 P100 P160
Kasin
7315119000
The master pin is a special replacement pin used to assemble or disassemble the chain. Unlike a standard pin, it allows chain assembly or disassembly under tension, which is critical for field maintenance on long conveyor systems.
Function: Acts as a quick-release connection point. It replaces a standard pin at a designated link, enabling the chain to be opened without de-tensioning the entire system.
Types: Available as standard, smooth, oil-groove, extended, or master configurations depending on the application. Master pins often come with a cap for secure retention.
Material: Drop-forged alloy steel (e.g., 42CrMo4, 40Cr), heat-treated for strength.
Master pins are available for standard chain numbers. Pin diameters correspond to the chain size:
| Chain No. | Pitch | Pin Diameter (Approx.) |
|---|---|---|
| X348 | 3" (76.2 mm) | 1/2" (12.7 mm) |
| X458 | 4" (101.6 mm) | 5/8" (15.88 mm) |
| X678 | 6" (152.4 mm) | 7/8" (22.2 mm) |