Description
How much torque does a laptop hinge cover screw need? Usually far less than a hand can judge. Yet a slight overshoot strips a thin magnesium boss, and then the whole top case goes to rework. The Snap-on TQS025A torque driver reads up to 48 in-oz on a live dial, so a process engineer sees the real figure as the screw seats.
Notebook and tablet screws on a 48 in-oz scale
Contract manufacturers in the northern provinces build laptops, tablets and their modules for global brands. Their work instructions often list very small values for each screw. A 3 in-lb dial suits several of those steps, such as:
- Keyboard deck and palm rest screws into thin metal bosses.
- SSD and wireless card retaining screws.
- Hinge cover and display bezel screws.
- Fan and heat pipe bracket screws.
Still, always follow the value on the customer drawing, because each brand sets its own figure. The TQS025A then shows whether the line meets it, so disputes end quickly.
Two units on the TQS025A face
Snap-on lists the range as 48 in-oz and 3 in-lb together, with steps of 1 in-oz or 1/16 in-lb. As a result, a technician can log whichever unit the drawing uses. For metric drawings, 48 in-oz equals about 0.34 N·m. However, convert carefully, since one wrong decimal place puts a value ten times too high.
Quick facts on the TQS025A
- Model: Standard Basic, U.S. reading, one needle.
- Length: 7-3/4 inches, so it fits a full grip.
- Scale: 48 in-oz / 3 in-lb, marked every 1 in-oz.
- Accuracy: 2% of reading from 20% of full scale to full scale, both directions.
- Case: PB47, included.
Using the Snap-on TQS025A torque driver in its best band
The 2% figure applies from about 9.6 in-oz up to 48 in-oz on this model. So a target of 30 in-oz reads well, while a 5 in-oz target does not. In that case, move down to the 24 in-oz TQS012A. On the other hand, if your value tops 48 in-oz, the 96 in-oz TQS050A takes over. For a shorter body with the same scale, look at the stubby TQSS025A. Also consider the TQS025FUA when an auditor wants the peak to stay on the dial.
Static-sensitive benches
The maker does not describe the Snap-on TQS025A torque driver as ESD-safe. Therefore follow your plant rules for grounded mats and wrist straps around open boards. In addition, keep the dial lens clean, because isopropyl wipes and flux residue can cloud it over time. Store the driver in its PB47 case between shifts and check it on the interval your QA plan sets.
Buy the Snap-on TQS025A torque driver in Vietnam
Our partner Lost in HCM supplies the TQS025A and also answers every price request. Simply request a quote from Lost in HCM and list the quantity you need. You can also see more torque screwdrivers on SMK Vietnam, check the Snap-on website, or contact SMK Vietnam.
Notebook line FAQ
Is the TQS025A light enough for M2 screws?
Often, yes. Many M2 values fall inside a 48 in-oz scale, but the drawing decides. Check that your figure sits between about 10 and 48 in-oz.
Does the TQS025A stop at a set value?
No. It is an indicating dial, so the operator stops when the needle reaches the target.
Can we order the TQS025A with a certificate?
Snap-on offers certified versions by adding C to the stock number. Ask Lost in HCM which code it can quote.
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