We repair hand punch clocks
Is it a Hand Punch HP50E, 1000, 2000, 3000, 4000?
It doesn't matter if it came from ADP, Acroprint, Amano, RSI, HP, Kronos,
Icon, Simplex, or your cousin Vinny... They are all the same.
Hand Punch Replacement Key – Model 1003 Master Key
The Hand Punch Master Key (Model 1003) was a universal access key used
on a broad range of older hand punch time clocks. This part allowed
supervisors and authorized staff to open the internal cover so maintenance,
adjustments, and ribbon changes could be performed. Although this key
style has been discontinued and stock is depleted, this page provides
helpful information for identifying the correct key for your legacy
hand punch clock. :contentReference[oaicite:1]{index=1}
Hand punch clocks were among the earliest mechanical devices used to
record employee attendance. They required a dedicated key to open the
mechanical casing and access internal components like the ribbon,
punch mechanism, and adjustment levers.
Which Clocks Used This Key?
The Model 1003 Hand Punch Master Key fit a variety of older mechanical
hand punch clocks, regardless of manufacturer. These include clocks
from well-known brands such as ADP, Acroprint, Amano, RSI, Icon, HP,
Kronos, and others that used the same barrel key style for hand punch
access. :contentReference[oaicite:2]{index=2}
Because the key style and lock configuration were common across many
models, this key served as a universal replacement for units with a
compatible lock. When ordering replacement keys for legacy time clocks,
matching the exact lock style is critical to ensure proper fit.
Why It Matters Today
While many companies have moved to electronic or thermal print time
clocks, hand punch clocks remain in operation in some workplaces,
particularly where mechanical simplicity is valued. If your clock
requires this key for periodic maintenance, understanding its history
and purpose can help you identify an appropriate replacement or repair
solution.
Discontinued Status
This Hand Punch Master Key is no longer produced and inventory has
been depleted. As noted on the original product listing, it has been
discontinued and is out of stock. :contentReference[oaicite:3]{index=3}
What to Do Now
If your hand punch clock still requires a Model 1003 key or you need
help identifying a compatible replacement, contact our product
specialists. They can help identify alternative parts or recommend
repair options or upgrade paths to a modern time clock system.
Discontinued, stock is depleted.
Note: It has a 1003 stamped on the end
Click here: We repair HandPunch clocks