Description
Lost in HCM lists this Snap-on TESI20FU torque wrench as “Newton Meter Follow-up – TESI20FU”, the plain code with no certificate in the name. The same dial with a certificate appears on our TESI20FUC page, listed with a calibration certificate. Both share a 3/8 inch drive, a 20 N·m scale and two needles. Hence the choice is mostly about how you run your tool crib.

Mixing plain and certified codes in one crib
Many plants buy several wrenches of one size at once. Yet they rarely need the same paperwork for each. For instance, wrenches for audited stations may need a certificate from day one. Meanwhile, wrenches for training benches or rework can wait for an in-house check.
Snap-on makes that mix simple. Its chart note says the listed wrenches ship without a certificate, and a C at the end of the code orders one. So a crib can hold TESI20FU and TESI20FUC units side by side.
Where the Snap-on TESI20FU torque wrench fits best
- Rework and repair benches that check joints after a fix.
- Training rooms where new staff learn to read two needles.
- Plants that verify every new tool on their own torque tester.
- Back-up wrenches that cover a station while another unit is away for its check.
TESI20FU catalog line
Snap-on lists the TESI20FU on page 334 of CAT1500i, in the Newton Meter Reading/Standard 2% Accuracy table. It has a 3/8 inch square drive and a 20 N·m scale in 0.5 N·m steps. The body is 9-29/32 in long and 2-11/16 in wide. Its head depth is 1-1/4 in, without the drive, and Snap-on pairs it with a PB9 case. As a follow-up model, it uses two needles: one for targeted torque and one for torque achieved.
Keeping a mixed fleet in order
Label each wrench with its code and asset number, so nobody swaps a plain unit into an audited station. Then log the first check for every TESI20FU before release. In addition, keep targets above 4 N·m, because Snap-on’s UK brochure warns about the lowest 20% of a scale. Finally, follow Snap-on’s advice on periodic recalibration for every unit, certified or not.
Order route for the Snap-on TESI20FU torque wrench
Lost in HCM supplies Snap-on dial wrenches in Vietnam and writes each quote. To start, ask Lost in HCM for a TESI20FU price. You can also browse the torque wrench group on our site, or contact SMK Vietnam for help. Once the wrench arrives, never use it to break a fastener loose, and stay within its rated torque.
Tool crib FAQ
Can one order combine TESI20FU and TESI20FUC units?
Lost in HCM can confirm that. Meanwhile, list each code and quantity on the request, so the quote shows both.
Do the two codes use different sockets?
No. Both share the same 3/8 inch square drive, so one socket set serves them.
















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