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Actually ended up ordering the CHN340 after we went through about four options in this class — what finally made the call was the 320N.M torque which is higher than some of teh 18V models we tested last month.
It runs off a 16V lithium platform and we've already got two batteries form another unit so the 2.0Ah packs are interchangeable, charging takes about 60 minutes flat which is better than the 90-minute units we had before.
The motor is brushless which basically means less heat buildup and longer lifespan for impact rates hitting 3200ipm, and the no-load speed sits at 2500rpm while most competitors hover around 2300 or so with brushed setups.
Weight comes to 1.8kg without battery which is light enough for overhead work but you'll want a smaller pack for tight spaces, the chuck is the standerd 1/2" square drive and most buyers in maintenance shops go with the 2.0Ah for balance anyway.
There's a variable speed trigger and overload protection built in, but they don't list the actual stages or cutoff thresholds so we usually call to confirm those details for indutrial duty cycles.
Certifications cover CE and RoHS which covers the compliance side, the warranty is only six months which is standard for this price point but we've run a few through thermal tests and brushless motor holds up better than the brushed equivalents for continuous high-load use.
The battery pack is 16V nominal, but the motor runs at a higher rated voltage of 20V for peak performance. So you get the runtime of a 16V system with the punch of a 20V motor.
The 2.0Ah battery is optional — it's not included in the base package. You'll need to order it separately if you want the battery and charger.
We typically require a MOQ of 100 units for this model, but we can discuss smaller trial orders if you're just starting out.
Yes, we have both CE and RoHS certificates on file. Just ask your sales contact and we'll share them right away.
At 320N.M, this wrench is solid for medium-duty tasks like tire changes, suspension work, and general assembly. It's not for heavy truck lug nuts, but it'll handle most DIY and light industrial jobs just fine.
