Description
Inside a pump, some parts need to be held together perfectly. They must not shift or loosen during operation. This is the job of the threaded taper pin.
Think of it like a super-precise key. It fits into a matching tapered hole. When you tighten the nut on its threaded end, it pulls the pin in tightly. This creates a very strong lock between two parts.
This locking prevents movement that could cause wear or misalignment. It is a simple but vital part for the long-term health of your pump.
This is the original Busch pin. It is machined to the exact size and taper for a perfect fit. Using this part guarantees that everything lines up correctly.

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