Description
Lost in HCM lists this Snap-on TEC12AC Torqometer as TORQOMETER U.S./ Metric Basic (with Chart) – TEC12AC. Its plain sibling is the TEC12A Basic dial wrench without the chart code. Snap-on builds both from one catalog row, so they share the dial, drive and scales. Choose this code when the record matters as much as the reading.

What the C and the chart wording tell you
Snap-on’s CAT1500i Torqometer pages say that certificate of calibration models carry a C suffix. The combination table adds that its listed wrenches come without one. Lost in HCM’s name for the extra item is a chart. However, neither source describes what that chart contains, so ask for a sample before you order.
Records that start on day one with the Snap-on TEC12AC Torqometer
Electronics and small-motor plants often face customer audits that trace each tool back to its first use. A wrench that arrives with paperwork lets the tool crib open its file at once. In addition, receiving staff can release it without a lab trip. That matters most when a new station must start this week.
- Audit trail: the file opens on delivery day.
- Incoming inspection: a document travels with the tool.
- New lines: no gap while you wait for a lab slot.
When the TEC12A is enough
A plant with its own low-range torque tester can verify a plain TEC12A itself. Similarly, a spare wrench for a rework bench may only need an internal check. In those cases, the plain code costs less, and your lab writes the first record.
TEC12AC specs from the TEC12A row
| Item | CAT1500i value |
|---|---|
| Square drive | 3/8 in |
| U.S. scale | 150 in-lb, 5 in-lb steps |
| Metric scale | 175 kg·cm, 5 kg·cm steps |
| Length / width | 9-29/32 in / 2-11/16 in |
| Head depth (without drive) | 1-1/4 in |
| Storage case | PB9 |
As a Basic model, it has one needle that shows the torque achieved. The row also lists the TEC12FUA follow-up and TEC12LA signal versions. Snap-on files all of them under Combination US/Metric Reading/Standard 2% Accuracy.
Filing the chart well
Scan the chart when the wrench arrives, and tie it to the asset tag. Then enter the next check date in your recall system. Snap-on says periodic recalibration keeps a torque wrench accurate, so the file needs a renewal date too. Finally, store the Snap-on TEC12AC Torqometer in its PB9 case between jobs.
Ordering the Snap-on TEC12AC Torqometer
Lost in HCM supplies Snap-on dial wrenches across Vietnam and prepares every quote. Write the full TEC12AC code, so the chart version ships. Then request a quote from Lost in HCM for the TEC12AC, compare torque wrenches, or contact SMK Vietnam.
TEC12AC record-keeping FAQ
Does the chart change the TEC12AC’s scales?
No. Snap-on prints one row for both codes, so the in-lb and kg·cm scales stay the same.
Who issues the chart?
The source does not say. Therefore ask Lost in HCM about the issuer and the format before you order.
Where does the 2% band start on the TEC12AC?
It starts at 20% of full scale, according to Snap-on’s UK brochure. On this dial, that means 30 in-lb or 35 kg·cm.
















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