Made in USA 
Lathem Time Clock Key — Mechanical Models
Replacement key for Lathem mechanical time clocks with metal cases.
Description
This Lathem time clock key fits virtually all Lathem mechanical time clocks with metal housings. If your clock has a metal case and says “LATHEM” on the front, this is typically the correct replacement key.
Compatible models include (but are not limited to):
- Lathem 2021
- Lathem 2026
- Lathem 2121
- Lathem 2126
- Lathem 4001
- Lathem 4026
- Lathem 4201
- Lathem 4206
- Lathem 1221
- Lathem 8001
This key is also commonly referenced as the Lathem 2387 key. It is used to unlock the front cover for access to time setting, ribbon changes, and maintenance adjustments.
Mechanical Lathem clocks are widely used in industrial and manufacturing environments due to their durability. Having a spare key on hand helps prevent downtime during ribbon replacement or service.
If you are unsure of compatibility, confirm that your clock is a mechanical Lathem model with a metal case. Electronic and computerized Lathem clocks may use different keys.
Key Features
- Replacement key for Lathem mechanical clocks
- Fits most metal-case Lathem models
- Commonly referenced as Lathem 2387
- Used for front cover access
- Durable metal construction
Compatibility
Designed for mechanical Lathem time clocks including the 2000, 2100, 4000, 4200, 1200, and 8000 series listed above.
Not intended for newer electronic or software-based Lathem models.
FAQ
Will this fit my Lathem clock?
If your clock has a metal case and is a mechanical model, this is typically the correct key.
Is this the Lathem 2387 key?
Yes. This key is commonly referred to as the Lathem 2387.
Does it work on electronic Lathem clocks?
No. Electronic models may use different key types.
Should I keep a spare?
Yes. Keeping a spare key helps prevent service delays.