Description
Many factories in Vietnam build to Japanese or Korean drawings, while some specs and test gear come from the US. The Snap-on TQSC4FUAC torque driver serves both camps on one dial. It is a Torqometer follow-up driver with a combined US and metric scale, and its listing name adds a chart.
Two scales on the Snap-on TQSC4FUAC torque driver
A dual scale saves a step that often goes wrong. Instead of converting a value by hand, the inspector reads the unit on the drawing straight off the dial. In Snap-on’s Torqometer driver tables, the US/metric versions pair inch units with kg·cm, a unit common on Japanese drawings. Even so, ask Lost in HCM to confirm the exact scale on the TQSC4FUAC.
The follow-up needle in daily use
Follow-up means the TQSC4FUAC dial has a memory needle. It rides up with the main pointer and then stays at the peak when you release the handle. As a result, the inspector can note the top value calmly, even after a fast turn. Before the next screw, the needle goes back to zero.
Good jobs for a dual-scale dial driver
- Incoming checks on supplier sub-assemblies built to a Japanese spec.
- Verifying screw torque on control boxes and electronics housings.
- Comparing results between a Vietnam plant and a sister site abroad.
- Training new operators to feel what a target torque is like.
For each job, the Snap-on TQSC4FUAC torque driver gives a figure that both teams can read in their own unit.
Range and accuracy
Lost in HCM lists the TQSC4FUAC under combination US/metric reading, Standard 2% Accuracy, with a 1/4-inch drive. However, we found no Snap-on page for this exact C-suffix part. So we give no range here, and Lost in HCM can confirm it with your quote.
Care routine for the Snap-on TQSC4FUAC torque driver
Treat the dial like a gauge, not a hammer. Between checks, the TQSC4FUAC belongs in its case on a shelf, not loose in a drawer. Also reset the memory needle after each reading, so an old peak never ends up on a new record. Then plan a calibration check on your normal tool cycle.
Pricing through Lost in HCM
SMK Vietnam lists the TQSC4FUAC for our partner Lost in HCM. To get a price and lead time, request a quote from Lost in HCM. You can also see more torque screwdrivers, contact SMK Vietnam, or visit snapon.com.
TQSC4FUAC FAQ
Which metric unit does the TQSC4FUAC show?
Snap-on’s US/metric Torqometer drivers pair inch units with kg·cm. Lost in HCM can confirm the units on this exact part.
How does it differ from the TQSR1FUAC?
The TQSR1FUAC pairs US units with newton-meters instead. Pick the one that matches the unit on your drawings.
Can I use it to tighten screws on the line?
It works best as a measuring and audit tool. For repeat tightening, a preset or adjustable clutch driver is faster.
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