Description
When a 500 ft-lb joint fails, someone will ask for the torque record. The Snap-on CTLNK4Z600 torque wrench answers that question. It is a ControlTech Link digital wrench for 30 to 600 ft-lb. In addition, its Z-shank receiver takes Snap-on’s heaviest interchangeable heads.
What Link means on a ControlTech wrench
Snap-on’s catalog describes ControlTech Link as a wireless system for real-time process control. Through the CTLNKCTRL controller, a Link wrench can feed plant manufacturing execution systems (MES). The controller can also run alone as a data collection or control station. Either way, it documents each torque event. Snap-on lists the controller under its own part number, so ask Lost in HCM whether your quote should include one.
Even without a controller, the wrench keeps a time-stamped data trail. It stores up to 1,500 readings, and you can lock memory presets against changes.
Z shank: the top of the head system
First, Snap-on uses four shank sizes for interchangeable heads. J measures 0.425 inch, Y 0.560 inch and X 0.735 inch. Z, at 0.990 inch, is the largest, so it suits this 600 ft-lb handle. Also, a standard Z head puts the fastener 5.75 inches from the retaining pin. Snap-on sells Z heads separately, including ratcheting square drive heads, a ratcheting pipe wrench head and an adaptor to 1-inch drive.
Snap-on CTLNK4Z600 torque wrench figures
| Shank | Z (0.990 in) |
|---|---|
| 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 |
Heavy joints that deserve a record
- Slew ring and boom pivot bolts on cranes and excavators.
- Generator and turbine base bolts, within the head ratings.
- Large flange bolts on pumps and compressors.
- Press, mill and crusher frame bolts.
Each operator gets the same signals: a backlit LCD, LED lights, a beep and handle vibration. So a crew can work in a loud hall and still know when to stop.
Quote the Snap-on CTLNK4Z600 torque wrench
Lost in HCM supplies this ControlTech Link model and prepares the quote, while SMK Vietnam lists it as a partner. Name the Z heads and any controller you need, then request a quote from Lost in HCM. Other options sit in our torque wrench range, and you can reach SMK Vietnam with questions. Brand details live on snapon.com.
CTLNK4Z600 FAQ
Does the wrench need the controller to work?
No. It stores readings on its own, while the controller adds the plant link and central records.
Which wireless standard does it use?
Snap-on’s catalog does not name it, so ask Lost in HCM for the radio details your IT team needs.
Can it take X heads?
No. Only Z-shank heads, 0.990 inch, fit this receiver, so X heads will not seat.
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