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That 6.5rpm non-load speed might sound slow, but it's actually deliberate for the kind of heavy bolting this handles—you're not looking for speed here, you're looking for control, and the continuous rotation without impact is what gives you that precision, especially when you're torquing up to 3800Nm. We've seen a lot of buyers come from hydraulic setups, and what it does is basically eliminate pump and hose hassle since it runs straight off 220-240V, which is pretty much standerd in most industrial shops.
The LCD display shows real-time torque values, and the single-chip control handles the auto-stop when you hit your target—usually within ±5% accuracy, which is tight enough for most structural bolting. One thing that catches people off guard is the weight: 9.5kg, so it's not a one-handed tool, but the 1 1/2" drive and vertical design make it manageable with a support arm or rig.
500Nm is the floor, so if you're working on smaller fasteners, this isn't the right fit—you'd want something lighter. But for flange bolting or heavy equipment assembly, the range covers most jobs, and our company can customize the control settings for larger torque requirement if needed (check lead time for that, usually 2-4 weeks).
it come with a calibration certificate, and the electronic over-tightening prevention plus mechancial clutch protection means you won't accidentally over-torque and damage a joint—a detail that's saved a few buyers from rework. The dimensoins are 88×496×59mm, so it's fairly long, but that's the trade-off for the torque output.
Anyway, we usually have stock on the KSEW-38S, but confirm lead time for the calibration cert—sometimes it adds a day or two.
Custom builds for higher torque are available, but lead time depends on your exact specs—typically 3-4 weeks for non-standard ranges. Just share your max torque needs and we'll confirm timing.
Yes, each wrench ships with a calibration certificate. Our calibration lab follows ISO standards, so you can trust the ±5% accuracy out of the box.
Absolutely—the 1 1/2" drive is standard for heavy bolt tightening, and the single-chip controller keeps torque consistent within ±5%, even at the 3800Nm max.
We don't have a strict MOQ—orders start at 1 unit for stock models. For custom torque versions, we may ask for a small batch of 5-10 pieces to justify the setup.
Store it in a dry, clean area away from moisture. The LCD is built into a sealed housing, but we recommend using the included case to avoid accidental damage.
