Description
Big sockets on big bolts need a strong, simple head. The Snap-on CTLNK4R600 torque wrench uses a fixed 3/4-inch drive head for 30 to 600 ft-lb. As a ControlTech Link wrench, it also logs each pull and can join a plant data system.
Fixed head or Z shank?
Snap-on also sells the same range in two forms. This model has a fixed 3/4-inch square drive, so any 3/4-inch socket fits straight on. The CTLNK4Z600, on the other hand, takes Z-shank interchangeable heads. So choose the fixed head when sockets do the job. However, pick the Z shank when you also need open-end, box-end or pipe heads. In addition, a fixed head skips the separate head purchase, which keeps the quote simple.
Snap-on CTLNK4R600 torque wrench key figures
| Drive | 3/4 in, fixed head |
|---|---|
| Range | 30-600 ft-lb / 360-7,200 in-lb / 40.7-813.5 N·m |
| Usable range | 5-100% of rated capacity |
| Accuracy, 20-100% | ±2% CW, ±3% CCW |
| Accuracy, 5-19% | ±4% CW, ±6% CCW |
| Memory | 1,500 readings |
Also keep the accuracy bands in mind at low values. From 30 to under 120 ft-lb, Snap-on quotes ±4% and ±6%. From 120 ft-lb up, however, the tighter ±2% and ±3% apply.
What the Link name covers
Link refers to Snap-on’s wireless system. A Link wrench talks to the CTLNKCTRL controller, which can pass data on to a plant MES. The controller can also stand alone, both for data collection and for process control. On the wrench itself, sequence programming and a time-stamped trail come built in. Meanwhile, a backlit LCD, LED lights, a beep and handle vibration tell the user when to stop.
Heavy work for the Snap-on CTLNK4R600 torque wrench
- Track and sprocket bolts on crawler machines, within range.
- Large flange and pressure vessel bolts.
- Truck axle and suspension hardware.
- Mill, kiln and conveyor drive bases.
Getting the CTLNK4R600 through Lost in HCM
Lost in HCM supplies this wrench and prepares pricing. SMK Vietnam, by contrast, only lists it as a partner product. To get a figure, request a CTLNK4R600 quote from Lost in HCM, and say if you need the controller too. More choices sit in our torque wrench category; for help, contact SMK Vietnam.
Fixed-head Link FAQ
Do I need to buy heads?
No. The fixed head takes 3/4-inch sockets directly.
How many N·m is 600 ft-lb?
About 813.5 N·m, according to Snap-on’s catalog.
What are the length and weight?
The catalog table we checked does not list them for Link models. Lost in HCM can confirm both.
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