Hinge Pin Silver: How to Fit and Remove It Without Damage
By eitech Metallbaukasten | Published: 2026-10-16
Category: How-to Guides
A step-by-step guide to fitting and removing the eitech hinge pin silver without bending it or cracking plastic parts, plus when to replace it.
Quick answer
Fit the eitech hinge pin silver by aligning the hinge plates first, then pressing the pin in with steady thumb pressure until it sits flush. Remove it by pushing from the opposite side with a thin, blunt tool rather than pulling with pliers. Because the pin is made of plastic, avoid twisting or levering it sideways, which is the most common cause of bent pins and cracked hinge plates.
Why the hinge pin material changes how you handle it
The eitech hinge pin silver is a plastic replacement component, not a metal rod. That single fact decides your technique: plastic flexes slightly under load, grips well once seated, and tolerates straight push-and-pull forces far better than twisting or prying. If you treat it like a steel pin and lever it out with pliers, you risk shearing the pin head or scoring the hinge plate.
This also means the pin is a wear item. Repeated assembly and disassembly, or forcing it into a misaligned hinge, shortens its life. Keeping a spare on hand is sensible if a model gets rebuilt often, since a fresh pin costs far less than replacing a damaged hinge plate.
What you need before you start
You do not need a full tool kit. A clean, well-lit work surface, a thin blunt pusher such as a small hex key or a matchstick-sized dowel, and a soft cloth to catch the pin are enough. Avoid needle-nose pliers for removal; they concentrate force on a small area of a plastic pin and are the main reason pins snap at the head.
Check the hinge plates for burrs or dried debris before fitting. A galvanized axle profile such as the eitech Axle profile 4x330 mm galvanized shows how the brand's metal parts are finished, but hinge plates in a build can pick up grit over time. Wiping the hole clean takes seconds and prevents a pin from binding halfway in.
How to tell when a hinge pin needs replacing
Replace the pin when it no longer holds the hinge plates snugly, when the head is chewed or flattened, or when the shaft shows a visible bend. A pin that slides in with almost no resistance will work its way out during play, and a bent pin forces the hinge plates out of alignment, which stresses the surrounding structure.
If you are unsure whether the pin or the hinge plate is at fault, test with a known-good pin. If a new pin seats firmly, the old one was worn. If it still feels loose, inspect the plate holes for oval wear before ordering more pins.
Step-by-step: fit and remove the hinge pin
- 1. Align the hinge plates: Bring the two hinge plates together and line up their holes by eye before touching the pin. Hold the assembly steady with your free hand so the holes cannot shift. Checkpoint: you should see one clear, unobstructed channel through both plates. If the holes are offset, do not force the pin.
- 2. Start the pin by hand: Insert the pin straight into the aligned hole and press with your thumb until the first few millimetres engage. Keep the pin perpendicular to the plate surface. Mistake to avoid: angling the pin to 'find' the hole. A tilted start is the most common cause of a bent plastic shaft.
- 3. Seat the pin with steady pressure: Continue pressing until the head sits flush against the plate. Use even thumb pressure rather than tapping with a hammer, which can deform a plastic head. Checkpoint: the hinge should pivot freely with no side-to-side play. If it binds, back the pin out and recheck alignment.
- 4. Test the hinge movement: Open and close the hinge through its full range a few times. Listen and feel for scraping, which signals a partially seated pin or debris in the hole. If movement is rough, remove the pin, wipe the hole, and refit rather than forcing it further in.
- 5. Remove the pin from the opposite side: Push the pin out from the far end using a thin, blunt tool such as a small hex key. Support the hinge plates with your other hand so the force goes into the pin, not the model. Mistake to avoid: gripping the head with pliers and pulling. That chews the head and often snaps the pin.
- 6. Catch and inspect the pin: Cup your hand or place a soft cloth under the hinge so the pin does not drop onto the floor. Check the shaft for bends and the head for flattening before reusing it. Next step: if the pin is bent or loose, replace it with a fresh eitech hinge pin silver rather than refitting a worn one.
Product facts
- Hinge pin, silver: The eitech Hinge Pin in silver is a replacement component for compatible eitech builds, listed under the Manufaktur tag with the eitech brand name and SKU code 01417. It is an official eitech spare rather than a generic substitute, so it matches the fit of compatible hinge plates and keeps the model's original assembly behaviour.
- Hinge pin, silver: The hinge pin is made of plastic. Plastic pins need straight push-and-pull handling; twisting or levering them with pliers is what causes bent shafts and cracked hinge plates.
- Axle profile 4x330 mm galvanized: The eitech Axle Profile is galvanized and supplied in a 4 x 330 mm size, listed under the Manufaktur tag with the eitech brand, SKU code 01367P. It shows the same Manufaktur component system the hinge pin belongs to, so you can plan spare parts for a build in one consistent range.
