Description
Large flanges, slewing rings and foundation bolts leave little room for guesswork. The Snap-on CTECH4R600A torque wrench brings electronic measurement to that heavy end of the scale. It combines a 3/4 inch square drive, a sealed fixed ratchet and a 30-600 ft-lb range, and it records every pull.
Energy and process work for the CTECH4R600A
Lost in HCM lists this wrench for oil and gas, power and renewable energy work. Those sites often ask for proof of every joint, not just a signature. So the CTECH4R600A keeps a time-stamped trail of up to 1,500 readings. Then the file moves to a laptop over USB, ready for the inspection pack.
- Pipe flange and valve bonnet bolts during shutdowns.
- Transformer and switchgear mounting hardware.
- Wind and solar structure bolts, where crews log each tower or frame.
Living with a 48.6 inch, 10.5 lb tool
This is a long, heavy wrench, so plan the job around it. First, check that the swing path has room for the handle. Next, use both hands and brace your stance before the pull. In addition, the 32-tooth head needs an 11 degree swing to pick up the next tooth, which matters near walls and steelwork. Finally, never use the CTECH4R600A as a breaker bar, because Snap-on warns against loosening fasteners with it.
Snap-on CTECH4R600A torque wrench specifications
| Drive | 3/4 in square, sealed fixed ratchet head |
| Gear | 32 teeth, 11° arc |
| Torque range | 360-7,200 in-lb / 30-600 ft-lb / 40.7-813.5 N·m |
| Torque accuracy | ±2% clockwise, ±3% counterclockwise |
| Angle | 0-360°, ±1% of reading ±1° |
| Memory | 1,500 readings, 50 presets |
| Weight / length | 10.5 lb (4.8 kg) / 48.6 in (1,234 mm) |
| Batteries | Three AA lithium |
| Ratchet service kit | RKRQC4 |
Fixed ratchet or interchangeable head?
Snap-on also offers the CTECH4Z600A, with the same 30-600 ft-lb range and a Z shank for interchangeable heads. That suits crews who swap between head types. In contrast, the CTECH4R600A keeps a built-in square drive, so there is no head to lose on site and no extra part to track.
Quote the Snap-on CTECH4R600A torque wrench
SMK Vietnam lists this product for Lost in HCM, which supplies it and sets the price. For a project quote, request a quote from Lost in HCM. You can also browse other torque wrenches or contact SMK Vietnam. More on ControlTech appears at snapon.com.
CTECH4R600A buyer questions
What is 600 ft-lb in N·m?
Snap-on lists the top of the range as 813.5 N·m. The bottom, 30 ft-lb, equals 40.7 N·m.
Can it measure angle on large bolts?
Yes. It reads 0-360 degrees, and the combo mode tracks torque and angle in one pull.
Does it come with batteries?
Snap-on’s catalog says the wrench includes three AA lithium batteries.
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