Home / Product / Cordless Screw Driver / 21V Lithium Battery Constant Torque Brushless Screw Driver
GREAT

21V Lithium Battery Constant Torque Brushless Screw Driver

  • Hexagon chuck design
  • Stable clamping LED lighting
  • Hot afraid of the dark and blind spots
  • High-quality speed switch
  • Gearbox is wear-resistant and durable
  • Forward and reverse mode
  • Compact body for access in tight spaces
  • High-quality battery cells with long lifetime
  • Several easy-to-use working modes: easier screw tightening, adapt to different work needs.
contact

Description

Parameter

Contact Us

The SZ-2123 21V Lithium Battery Constant Torque Brushless Screw Driver is equipped with a high-brightness LED lighting function, which can provide a clear working view in low-light environments, eliminate blind spots in operations, and ensure that users can work accurately under any conditions. Its high-quality speed switch design allows users to flexibly adjust the speed according to specific work needs.
The gearbox of the SZ-2123 is constructed of wear-resistant materials, with distinguisheddurability and reliability. It can withstand the wear caused by long-term use and ensure the durability of the tool in high-intensity working environments. The electric screwdriver also supports forward and reverse modes to adapt to a variety of operating needs, allowing users to quickly switch during removal and installation.
The compact design of the device allows it to easily enter small spaces, especially suitable for fine work in space-constrained environments. Whether inside narrow electromagnetically equipment or in complex building structures, the SZ-2123 provides distinguishedcontrol and flexibility.

Battery Voltage 21V
Battery Capacity 2.0Ah/4.0Ah
Clamping capacity 6.35mm
No-Load Speed 0-1800/2600/3300r/min
Maximum Torque 160/180/230N.m
lmpact Frequency 0-2300/2900/3700bpm
Net Weight 0.9kg
SUBMIT
ABOUT

Nantong Great
Tools Co., Ltd.

Nantong Great Tools Co., Ltd. is Custom 21V Lithium Battery Constant Torque Brushless Screw Driver Suppliers and OEM 21V Lithium Battery Constant Torque Brushless Screw Driver Factory, which specializing in the export trade of cordless tools and cable tools. We are committed to providing high-quality and reliable products to global customers, meeting the needs of different industries, and providing customers with one-stop procurement services and high-quality after-sales support. Our products have been exported to multiple countries and regions around the world, including Europe, South America, Southeast Asia, Middle East, etc.

We mainly produce brushless tools and some high-level quality cable tools. In addition, our company has established stable cooperative relationships with some well-known brand in the market. We are providing a variety of product choices and customization services.

"Integrity, innovation, cooperation and win-win" is the company's business philosophy, and "customer first" is the company's service tenet. We have rich international trade experience and a professional team. We are dedicated to providing you with satisfactory services and high-quality tools, and look forward to cooperating with you in the future.

  • 32k

    Realized projects

  • 20+

    Industry experience

  • 180+

    Team members

news

NEWS AND EXHIBHITIONS

Best Impact Wrench for Tightening Car Wheel Nuts: Torque Guide & Picks
It usually starts with a single wheel nut that will not budge. A tire shop previously torqued it to 140 ft-lb, or a roadside service truck ran it down at full power, and now the stud is stretched and the nut is seized. ...

2026/09/07

What Is an Impact Wrench Good For? 8 Practical Uses You Should Know
What Is an Impact Wrench and How Does It Work? An impact wrench is a power tool that produces high torque through rapid, sudden rotational impacts. Inside, a motor spins a hammer mechanism that repeatedly strikes the ou...

2026/08/31

Impact Wrench vs Impact Driver: 7 Key Differences & Which to Buy
You are standing in front of a row of cordless tools, both labeled “impact,” both roughly the same shape, and both far too similar in your mind. One is an impact driver. The other is an impact wrench. They share a commo...

2026/08/24