Description
Most workshops need one 1/2-inch wrench that handles the bulk of daily bolting, and the CDI 2503MFRMH torque wrench fills that role well. It sets from 30 to 250 ft-lb, while its second scale reads 47-332 N·m. So it covers wheel nuts, engine mounts and machine bases without a tool change.

A mid-range wrench for everyday joints
CDI Torque Products belongs to Snap-on and builds torque tools for industry. This model is an adjustable click type. You turn the handle to your value, then pull until the head gives a short break and a click. At that point you stop, and the joint holds the load your drawing asks for.
The 1/2-inch drive also matters. It is the most common socket size on car and light truck lines, so your crew can use the sockets it already owns. In addition, a 1/2-inch tool is easier to carry than a 3/4-inch one during a long shift.
Typical jobs in Vietnam plants
- Wheel nuts on cars, vans and pickups in fleet depots.
- Motor and gearbox bases on conveyors and packing lines.
- Brackets and frames on jigs in automotive supply plants.
- Spot checks during a customer or supplier audit.
How to pick between nearby sizes
Start with the targets on your work instructions. If most of them sit in the middle of the 30-250 ft-lb span, this wrench is a good fit. However, if your values cluster near the bottom, a smaller 3/8-inch CDI model will feel finer. On the other hand, joints above 250 ft-lb call for a 3/4-inch wrench.
Keep the CDI 2503MFRMH torque wrench reading true
A click wrench stays accurate when you treat its spring with care. Wind it down to the lowest mark after use, then store it in its case. Also avoid using it as a breaker bar, because a hard reverse pull can upset the mechanism. Many plants plan an outside calibration check once a year, or after any drop.
How to order
SMK Vietnam lists the CDI 2503MFRMH torque wrench for our partner Lost in HCM, who supplies it and prepares quotes. To check price and lead time, request a quote from Lost in HCM. You can also compare other torque wrenches in our catalog, or contact SMK Vietnam if you want help with sizing. Full product details sit on the CDI Torque website.
FAQ
Which sockets fit the CDI 2503MFRMH?
It takes standard 1/2-inch square drive sockets, extensions and adapters.
Can I set it in N·m?
Yes. The wrench has a 30-250 ft-lb scale and a 47-332 N·m scale, so teams can work from either unit.
Does it come with a calibration certificate?
The listing does not state one. Ask Lost in HCM about paperwork when you request your quote.
















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