Description
Electronics plants in Bac Ninh, Thai Nguyen and Dong Nai run long SMT lines with printers, placers and reflow ovens. Their maintenance crews handle small bolts, yet one of them can shift a feeder or a nozzle head. The Snap-on TER12AC Torqometer covers that light band with a 3/8-inch drive. It shows N·m and in-lb on one dial, and it comes with a calibration certificate.
TER12A row in the Snap-on catalog
| Item | TER12A (CAT1500i p.334) |
|---|---|
| Square drive | 3/8 in |
| Newton meter scale | 17 N·m in 0.5 N·m steps |
| US scale | 150 in-lb in 5 in-lb steps |
| Length | 9-29/32 in |
| Width / head depth | 2-11/16 in / 1-1/4 in |
| Storage case | PB9 |
| Row partners | TER12FUA Follow-up, TER12LA Signal |
Snap-on states that adding C to the stock number orders a certificate of calibration. Thus the TER12AC is the certified form of the plain TER12A.
SMT line jobs for the Snap-on TER12AC Torqometer
- Stencil printer clamp and squeegee holder bolts.
- Placement head and feeder bank mounting screws.
- Conveyor rail and cover bolts on reflow ovens.
- AOI and test fixture frames along the line.
Machine makers set these values, so read them from the service manual first. Then confirm each one sits above 3.4 N·m, or 30 in-lb, where the 1% band starts.
Two units, one spec sheet
Asian placers often print N·m, while some US fixtures list in-lb. With the TER12AC, the technician reads whichever scale matches the sheet. As a result, nobody converts numbers at the line, and fewer slips reach the log. For older US manuals, note that 150 in-lb equals 12.5 ft-lb.
Using a short Basic dial well
The TER12AC body runs just under 10 inches, so it fits between machine frames. Hold it by the grip and pull at a right angle to the handle. Slow down near the target, because a quick finish carries the needle past the spec. Since this is a Basic model, read the single needle while the load is still on.
Buy the Snap-on TER12AC Torqometer
Lost in HCM supplies this wrench to plants in Vietnam and handles every quote, while SMK Vietnam lists it. For pricing on one or more units, request a quote from Lost in HCM. Other sizes sit in the torque wrenches list, and you can contact SMK Vietnam for help.
SMT maintenance FAQ
Does the TER12AC keep a peak reading?
No. It is a Basic model with one needle. Snap-on offers the TER12FUA when a memory pointer helps.
Can I use it on screws below 3 N·m?
The needle will move, but those values fall under the 1% band. A 1/4-inch dial suits them better.
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