Nantong Shengqiang Machinery Manufacturing Co., Ltd.
| Batterycapacity | 4.0 Ah |
| Delivery Time | 5-8working days |
| Powersource | Lithium Battery |
| Voltage | 20V |
| Motortype | Brushless |
| Packaging Details | plastic box |
| Torque | 500 Nm |
| Payment Terms | T/T |
| Ledlight | Integrated |
| Productname | Cordless Wrenches |
| Supply Ability | 500pcs per day |
| Weight | 3 kg |
| Chucksize | 1/2 inch |
| Warranty | 1 year |
| Model Number | JP-BS50X-2 |
| Certification | CE |
| Brand Name | SHJPAI |
| Place of Origin | CHINA |
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Product Specification
| Batterycapacity | 4.0 Ah | Delivery Time | 5-8working days |
| Powersource | Lithium Battery | Voltage | 20V |
| Motortype | Brushless | Packaging Details | plastic box |
| Torque | 500 Nm | Payment Terms | T/T |
| Ledlight | Integrated | Productname | Cordless Wrenches |
| Supply Ability | 500pcs per day | Weight | 3 kg |
| Chucksize | 1/2 inch | Warranty | 1 year |
| Model Number | JP-BS50X-2 | Certification | CE |
| Brand Name | SHJPAI | Place of Origin | CHINA |
| High Light | auto repair 1 2 inch cordless impact wrench with battery and charger ，500N.m cordless impact wrench brushless ，20V 1 2 inch brushless impact wrench | ||
One bay gun for the jobs that actually eat the clock: strut bolts, caliper brackets, control arms, subframe mounts and every wheel rotation that follows. 500 N·m of breakaway pull at 2700 r/min, in a body that slips into a wheel well without fighting the arch.
Factory figures for the JP-BS50X workshop cordless impact wrench.
| Model | JP-BS50X |
|---|---|
| Max. Torque | 500 N·m |
| Voltage | 20V DC (lithium-ion) |
| No-load Speed | 2100–2700 r/min (variable) |
| Square Drive | 1/2" (12.7 mm) |
| Fastener Range | M10–M22 |
| Gear Ratio | 1:7 |
| Battery | 2000 mAh / 10C Li-ion |
| Motor | Brushless, copper wound |
| Bare Tool Weight | 1.105 kg |
| Typical Service | Cars, SUVs, pickups and vans up to approx. 3.5 t |
Figures are factory reference values. This model is specified for passenger cars, SUVs, pickups and light commercial vehicles up to roughly 3.5 t gross weight. Heavy truck, coach and semi-trailer wheel nuts commonly require 1500 N·m or more and call for a 3/4" drive tool.
Built for the jobs a general repair bay sees twenty times a week.
The JP-BS50X is the high-torque model in the Nantong Shengqiang cordless impact wrench line, and it exists for a simple reason: the fasteners that cost real labour hours are rarely wheel nuts. Strut-to-knuckle bolts, caliper bracket screws, lower control arm pivots, subframe mounts, engine mount brackets, exhaust flange nuts — these sit at M10 to M22, often rust-welded, always awkward to reach. The BS50X delivers 500 N·m of breakaway torque at up to 2700 r/min through a brushless drivetrain and a 1:7 reduction, which is the combination that gets those bolts moving without heat, penetrant rituals or a four-foot cheater bar.
Torque alone does not decide whether a tool gets picked up, though. A road-car hub sits inside an arch that leaves maybe 120 mm of clearance; tools that only work in open air end up on the shelf. At 1.105 kg bare, with a compact inline body and a variable-speed trigger that lets you ease a socket onto a nut before the hammer stage engages, this wrench goes where the bolt actually is — including one-handed, overhead, on a two-post lift with the car at shoulder height.
That combination makes it a genuine replacement for the air line rather than a supplement to it. There is no hose to drag across a wet floor, no compressor waiting to build pressure, no coupler leaking at the fitting. Two 2000 mAh 10C packs rotate on the charger, so an empty pack is a ten-second swap instead of a wait, and the tool works identically in the bay, in the yard and in the back of a roadside van.
What you get for the money, in the order it matters during a job.
Enough to release suspension and chassis hardware that has seized through salt, heat cycles and years of neglect — the class of fastener that stalls standard 350 N·m 20V tools.
No carbon brushes to wear or replace, far less heat under load, and noticeably longer run time per pack. Theoretical service life runs several times that of a brushed motor in daily shop use.
Squeeze lightly to seat the socket and start a thread by feel; press fully to spin a nut off at full speed. Release and it stops — no run-on, no rounded fastener heads.
The anvil takes repeated impact loads without deforming, and the alloy head sheds that hammering heat instead of storing it, protecting the gear set over thousands of cycles.
Lighter than many lower-torque models. Goes into a wheel arch, along a subframe rail or up under a dashboard with one gloved hand, which matters more on hour four than any spec sheet number.
Neatly aligned vent channels pull air across the motor while the sealed nose keeps brake dust, grit and road film out of the mechanism.
Flip direction without changing grip. Rubber-overmould handle keeps purchase even with oily gloves and damps the vibration that fatigues the wrist over a full shift.
Two 2000 mAh 10C packs and a charger ship in a moulded case. One pack works while the other charges, so the day is paced by the job rather than by the wall socket.
What buying from the factory changes for your workshop or your shelf.
We publish the application window rather than only the headline number, including what this tool should not be used for. Fewer surprises on arrival means fewer returns for everyone.
The 20V pack is shared across our cordless line, so adding a second body later does not add another charger to the wall or another battery type to the stores cupboard.
Anvils, switches, triggers and housings are kept as service parts. A dropped tool is a repair, not a write-off — something worth asking any supplier before you commit.
Each unit is run and checked before packing. We would rather resolve an issue on our bench than have your technician discover it on a customer's car at 5 pm.
No, and we would rather say so up front. Heavy truck, coach and trailer wheel nuts are usually torqued well beyond what a 1/2" drive cordless tool is built for — commonly needing 1500 N·m or more from a 3/4" impact wrench. The JP-BS50X is specified for cars, SUVs, pickups and light commercial vehicles up to roughly 3.5 t gross weight, plus the M10–M22 chassis, suspension and machinery fasteners found on those vehicles.
Undercar fasteners are exactly where this model earns its place. Strut-to-knuckle bolts, lower control arm pivots, caliper bracket bolts, subframe mounts, engine mount brackets and exhaust flange nuts all fall inside its M10–M22 window. As always with safety-critical hardware, break the fastener loose with the impact wrench and do the final tightening with a calibrated torque wrench to the vehicle manufacturer's figure.
Both share the same 20V brushless platform, 1/2" drive and 1:7 gear set; the BS50X raises maximum torque from 350 to 500 N·m, widens the fastener range from M8–M20 to M10–M22, lifts top speed from 2530 to 2700 r/min and is slightly lighter at 1.105 kg. If your work is mostly wheel changes and light assembly, the BS35X covers it for less money. If you regularly meet seized suspension and chassis bolts, the BS50X pays the difference back quickly.
For intermittent repair work — the pattern most workshops actually follow — yes. One pack runs while the second charges, and a pack put back on charge between jobs rarely runs flat. Continuous spinning at full trigger, which no impact job really involves, would drain any 2.0 Ah pack quickly; a larger capacity pack is worth considering if your work leans heavy.
Use well-fitting six-point impact sockets, keep the socket square on the nut and let the tool work rather than forcing it. The variable trigger helps here: start gently to seat the socket, then apply full speed. Damaged or chrome-plated sockets are the usual cause of marked wheel faces, not the tool itself.
For cars, SUVs, pickups and vans up to about 3.5 t, in most workshops, yes. You lose the compressor cycle time, hose drag and moisture in the line, and you gain the ability to work anywhere. Shops that also service heavy commercial vehicles will still want a 3/4" pneumatic or high-torque cordless gun for those axle nuts.
Company Details
Business Type:
Manufacturer
Year Established:
2011
Total Annual:
15000000-16000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
EST. 2011 | NANTONG | JIANGSU | CHINA Two Product Lines. One Factory. Oil-free air compressors and 21V cordless power tools, engineered and assembled in-house since 2011. Nantong Shengqiang Machinery Manufacturing Co., L... EST. 2011 | NANTONG | JIANGSU | CHINA Two Product Lines. One Factory. Oil-free air compressors and 21V cordless power tools, engineered and assembled in-house since 2011. Nantong Shengqiang Machinery Manufacturing Co., L...
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