Description
Power stations and water plants run pumps, fans and valves that need steady, recorded maintenance. The Snap-on ATECH3FS250 torque wrench serves that routine. It is a 1/2-inch TechAngle tool with a chrome finish and a sealed flex head, and it covers 12.5 to 250 ft-lb.
What the S version brings
Snap-on’s catalog lists the ATECH3FS250 in chrome, while the FR250B has a black housing. The chrome model also weighs more, at 4.35 lb against 3.75 lb without batteries. Some technicians like that extra mass for a steady pull. Others prefer the lighter FR for long overhead work. Otherwise both share the same range, drive and head size.
- Range: 12.5-250 ft-lb, or 16.9-339 N·m.
- Head: sealed flex head with an 80-tooth ratchet and 4.5° swing.
- Head size: 3/4 in deep and 1-5/8 in wide.
- Length: 26.7 in. Weight: 4.35 lb (1.97 kg) without batteries.
- Power: three AA alkaline cells.
Plant jobs for the Snap-on ATECH3FS250 torque wrench
Use it on pump casings, coupling guards, valve bonnets and motor feet. It also suits cooling fan hubs and flange bolts on smaller pipe sizes, where a 3/4-inch tool feels too big. Because it reads angle as well, it can follow specs that call for torque plus a turn.
Settings that save time
Ten presets store the values a plant uses most. Then the six measurement modes cover ft-lb, in-lb, N·m, dN·m, kg-cm and angle. As a result, one tool can follow both US and European manuals.
Keep the chrome clean
Wipe oil and water off after each job, and keep the wrench in its case. Next, take the batteries out before long storage. Also avoid using it as a breaker bar. Then plan regular calibration checks with an outside lab.
Ordering the Snap-on ATECH3FS250 torque wrench
SMK Vietnam lists this wrench for Lost in HCM, the partner that supplies it and prepares quotes. Use the button or request a quote from Lost in HCM directly. You can compare other models in our torque wrenches list, or contact SMK Vietnam. Snap-on publishes its range on snapon.com.
FS250 questions
Is the ATECH3FS250 heavier than the FR250B?
Yes. Snap-on lists 4.35 lb for the FS250 and 3.75 lb for the FR250B, both without batteries.
How accurate is the angle reading?
The catalog gives plus or minus 1% of reading, plus or minus 1 degree, across 0 to 360 degrees.
Which batteries does it use?
It takes three AA alkaline cells.
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