DongCheng DCPB358 20V MAX Cordless Brushless Impact Wrench, 1/2-Inch Square Drive with 358Nm Fastening Torque, 500Nm Nut-Busting Torque and Smart-Loosen Function

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he DongCheng DCPB358 Cordless Brushless Impact Wrench is a powerful fastening tool designed for automotive repairs, machinery maintenance, construction, and professional workshop applications. Powered by a 20V MAX battery platform, it delivers up to 358Nm of fastening torque and features a brushless motor for efficient performance.

Equipped with a 12.7mm (1/2-inch) square drive, two-mode speed and torque control, and a smart-loosen function, this impact wrench provides versatility for different fastening and loosening tasks. Its compact 129mm body is designed to improve accessibility and handling in confined workspaces, while the nut-busting torque of up to 500Nm supports demanding bolt-removal applications.

Key Features

  • Brushless Motor: Delivers efficient performance with up to 358Nm fastening torque.
  • 20V MAX Battery Platform: Provides cordless mobility for workshop and on-site work.
  • Two-Mode Control: Offers low and high speed and torque settings for different working conditions.
  • Smart-Loosen Mode: Helps prevent nuts from dropping accidentally during loosening.
  • Compact 129mm Body: Supports access and control in narrow spaces.
  • Maximum Nut-Busting Torque of 500Nm: Assists with loosening stubborn fasteners.
  • 1/2-Inch Square Drive: Compatible with suitable 12.7mm impact sockets.
  • M12–M18 Bolt Compatibility: Designed for the specified standard bolt size range.

Applications

  • Automotive repair and servicing.
  • Tightening and loosening nuts and bolts.
  • Machinery installation and maintenance.
  • Construction and equipment assembly.
  • Industrial and mechanical workshops.
  • Fastener removal in confined workspaces.
  • Maintenance of vehicles and machinery using compatible fasteners.

Technical Specifications

Specification Details
Brand DongCheng
Model DCPB358
Product Type Cordless Impact Wrench
Motor Type Brushless
Battery Platform 20V MAX
Battery Configuration 4.0Ah × 2 / 5.0Ah × 2 / Solo, depending on variant
Maximum Power Output 400W
Standard Bolt Size M12–M18
Square Drive Size 12.7mm (1/2 inch)
Low-Speed Range 0–2,000 RPM
High-Speed Range 0–2,400 RPM
Low Impact Frequency 0–2,900 impacts/min
High Impact Frequency 0–3,200 impacts/min
Low Torque Setting 300Nm
High Torque Setting 358Nm
Nut-Busting Torque 500Nm
Body Length 129mm
Control Modes 2
Special Function Smart-Loosen
Net Weight 1.7kg / 1.7kg / 1.1kg, depending on variant

Package Details

Package contents vary by model variant.

  • Type EM: 4.0Ah Battery Packs × 2, 2A Charger
  • Type FK: 5.0Ah Battery Packs × 2, 4A Charger
  • Type Z: Solo version (without battery and charger)

Common listed accessories and packaging:

  • Socket
  • Belt Clip
  • Plastic Case Packing

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