Replacement Bumper for Harbor Freight (Bunker Hill Security) 50mm Padlock 40603
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Replacement bumper for the bottom of the padlock. Either to replace a lost vinyl bumper or for customization/easy ID.
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Model information
- Source
- Printables
- Category
- Other House Equipment
- License
- Creative Commons — Attribution
These locks from Harbor Freight come in a 2 pack and are keyed alike. I needed 4 locks for some storage lockers, so I needed a way to identify which keys went to which locks. I combined this with a simple matching-colored keyfob for easy identification.
Print with 3 walls and 100% infill. Done in 15 minutes on a Prusa COREOne.
The ones on the locks pictured were printed with PLA. Untested with TPU (but please comment if TPU works for you!)
The old vinyl bumper pulls right off with your fingers. To install the printed one, slide the lock straight down into the bumper and flex the ends out until both of the inner nibs are pulled over the lock body, then slide the bumper all the way into place. The nibs will latch into slots on the ends of the lock body, keeping it securely in place.