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GQ-BS550 21V Cordless Brushless Impact Wrench Wholesale
  • GQ-BS550 21V Cordless Brushless Impact Wrench
  • Ningbo Tongque Machinery Manufacturing Co., Ltd.

GQ-BS550 21V Cordless Brushless Impact Wrench

Product Model: GQ-BS550

GQ-BS550 21V Cordless Brushless Impact Wrench, 550 N.m Mid-Torque 1/2" Square Drive Tool

550 N.m High-Torque Performance: High-output brushless motor delivers 550 N.m of breakaway and fastening torque for heavy automotive service, machinery repair, and structural steel assembly.

1/2" Square Drive Anvil: Standard 1/2" anvil with friction ring holds impact sockets securely during high-vibration fastening.   Reverse Auto-Stop Function: Automatically halts rotation once a bolt or nut breaks loose, preventing hardware from dropping or spinning off freely.

3,300 IPM Impact Rate: Delivers high-speed impacts (up to 3,000 RPM) to break stubborn, rusted, or over-torqued fasteners quickly.

High-Capacity Battery Options: Compatible with 4.0Ah and 6.0Ah 21V lithium-ion batteries to support demanding jobsites and long shifts.

550 N.m Industrial-Grade Power
The GQ-BS550 21V Cordless Impact Wrench is engineered for demanding applications that require serious breaking force. Delivering 550 N.m of torque, it makes short work of heavy wheel lugs, rusted chassis bolts, and industrial steel framing without needing a compressor or hose.

Reverse Auto-Stop & Variable Speed Control
Designed with safety and control in mind, the tool features a reverse auto-stop mode. Once a tight fastener breaks free, the motor stops impacting to prevent lost nuts or damaged threads. The responsive variable speed trigger provides smooth speed delivery up to 3,000 RPM.

Built for Heavy Workloads
Equipped with a standard 1/2" square anvil, the GQ-BS550 accepts all standard impact sockets. Its ergonomic housing, balanced weight distribution, and high-capacity battery options (4.0Ah/6.0Ah) make it a dependable workhorse for professional automotive technicians, equipment operators, and construction crews.   

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  • GQ-BS550 21V Cordless Brushless Impact Wrench
Technical Parameters Contact Us
Feature Specification
Model GQ-BS550
Battery Voltage 21V
Battery Capacity 4.0 Ah / 6.0 Ah
Motor Type Brushless Motor
Output Shaft / Anvil 1/2" Square Drive
Max Torque 550 N.m
No-Load Speed 0–3000 rpm
Impact Frequency 0–3300 ipm
Special Functions Reverse Auto-Stop

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About Us
Ningbo Tongque Machinery Manufacturing Co., Ltd.
Ningbo Tongque Machinery Manufacturing Co., Ltd.
Ningbo FLONPRO is an export-oriented manufacturer with 15 years of expertise in the power tools industry. Operating a 10,000 sq.m. facility near Ningbo and Shanghai ports, we deliver reliable, high-standard production with a stable annual export volume of US$5–10 million.
As a famous China GQ-BS550 21V Cordless Brushless Impact Wrench Suppliers and GQ-BS550 21V Cordless Brushless Impact Wrench Factory, we provide comprehensive OEM and ODM services tailored to your brand's unique specifications. Backed by rigorous quality control—from raw materials to finished products—we ensure that every cordless and corded power tool delivers stable, durable performance. Partner with us for reliable custom manufacturing solutions that help your business grow.
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