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| Compatibility | Rancilio MD40 espresso grinder only |
| Thread Type | Female threads on both ends |
| Material | Metal |
| Color | Silver |
| Pattern | Solid |
Rancilio MD-40 Hopper Pin This hopper retaining pin is threaded female on both ends, distinguishing it from the MR_14 pin, which has a male thread on one end, an easy detail to miss if you're ordering by sight rather than by hopper model. COMPATIBILITY Fits: Rancilio MD-40 grinder only INSTALLATION DIY, threads in by hand to secure the hopper to the grinder body. PRO TIPS Double-check your old pin before ordering: if it has a stud sticking out one end, you actually need MR_14, not this part, installing the wrong pin means the hopper won't seat or lock down correctly.
The catalog often lists the same model at several merchants — worth a price check before you buy.