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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: SUDONG
  • Model Number: SD-BC4500L
  • Power Source: Electricity
  • Type: Precision Screwdriver
  • Rated Voltage: DC 30V
  • Rated Input Power: 75W
  • Max. Torque: 10kgf.cm
  • No-Load Speed: Low:650r.p.m,High: 1000r.p.m
  • Dimensions: 34*33*10cm
  • Weight: 540g
  • Torque range: 1-10kgf.cm
  • Operation mode: Trigger start type
  • Torque adjustment: stepless adjustment
  • Diameter of screws: 1.4-3.0mm (Machine screw),1.4-2.6mm(Tapping screw)
  • Applicable screw driver rack: SD-K2
  • Optional: Infrared coupler
  • Application: For repairing or assembling mobile phones,watches etc,.
  • Feature: With counter,Small size,light weight and low noise etc.,
  • Standard screw bit: 5 mm Diameter
  • Certification: CE,ROHS,SGS

Packaging & Delivery

Packaging Details: 1pc Electric screwdriver,1pc power supply,2pcs screw bits per each box
Delivery Detail: within 3-5days upon recieving the payment

2015 New Arrival ! Built-in screw Counter Adjustable Torque Electric screwdriver,Trigger start type Power Screwdriver SD-BC4500L


Product Description

Electric Screwdriver SUDONG SD-BC4500L Performance:

1.  New Intelligent Brushless Electric screwdriver with Counter series is one compact of LED counter and screwdriver.Easy to operate,suitably used on production line and effectively control numbers of fastening screws and operation quality.


2.  Adopting selection mode for the worker is easy to set up complete function according to needs of work and make it automatically to inspect the precision of fastening screws and avoid any mistakes.


3.  The counter is with Fixture function,can join with IR optocouplers.Press the fixture switch can reduce error locking and make the locking more precision and smarter.In addition,LED warning light allows the users to make the well locking judgement more intuitively.


4. High precision of the torque,with step-less torque adjustment,simple operation,


5. It can be generally used for laptops,integrated substrates,mobile phones,digital cameras and other products assembly operations.


6. Certification: CE,CCC,ROHS and ISO9001:2008.



 Specification of Torque Electric Screwdriver SUDONG SD-BC4500L :






Input Voltage

DC    30V

Measuring range













Torque accuracy


Torque adjustment

Stepless adjustment

No load speed (r.p.m) ±10%









Applicable power adapter


Rated Power


Diameter of Screw (mm)

Machine screw




Tapping screw




Net Weight


Applicable screwdriver rack


Applicable screw bit

5mm Diameter

Company Information

      Shenzhen Kingsom Eletronics Buiness Firm, the branch of Kingsom Technology Co., Ltd., set up in 2003, is located in Huaqiang North road of Shenzhen where has become one of the biggest electronics markets of Asia. Working under the principle of "meeting demand of the market with soonest speed", our company is integrating research, production and development of the following products. 


1. Lead Free Soldering Station, Lead Free Soldering Pot etc. ---Soldering Equipment series 


2. Tape Dispenser, Screw Feeder, Dispenser Controller etc. ---Automatic Instruments sereis 


3. Electric Screwdriver, Power Supply etc. --- Electronics and Air Tools series 


4. Torque Meter, Digital Force Gauge etc. ---Measuring Instruments series 


5. Ionizing Air Blower, WristStrap Tester etc. ---Static Eliminator and Tester Series 


6. Antistatic Wrist Strap etc. ---Cleanroom Consumable series 


7. Magnifying Lamp, LED Lamp etc. --- Optical Items series


Most products passed the CE certification and proved the SGS report. Our sales network not only spread all over domestic market here, but enjoy the good popularity around the world, including East and West Europe, North America, Middle East and Southeast Asia, because of the high quality and competitive prices.


We aim to be the excellent and always share the mutual benefits with our partners, to provide the best products & satisfied services, competitive price and highest technology, to develop the best relastionship with our partners in the world.


Kingsom Certifications: 


Our Services

 Sales Focus: 


Quality Guarantee

( one year warranty for Electrical Screwdriver and two years for the motor)        
Good after-sales service                      

Competitive price                     
- Widely range of products

Convenient payment method   

Packaging & Shipping

We can provide:

- Good quality paper box & carton packing

- Double check before shipping

Safely Shipping method,such as DHL /EMS /FEDEX/TNT /UPS

- Ocean Freight or cargo forwarder service



Why choose us ?

1.We are reliable supplier,own some stocks of factory.

2.Best price and considerate service

3.Fast delivery & Sample available

4.All products are checked by Strictly QC department before shipping.

5.Payment method:T/T,Western Union,Escrow etc,.

Contact Us

2015 New Arrival ! Built-in screw Counter Adjustable Torque Electric screwdriver,Trigger start type Power Screwdriver SD-BC4500L

2015 New Arrival ! Built-in screw Counter Adjustable Torque Electric screwdriver,Trigger start type Power Screwdriver SD-BC4500L

2015 New Arrival ! Built-in screw Counter Adjustable Torque Electric screwdriver,Trigger start type Power Screwdriver SD-BC4500L

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27 Transactions 100,000+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.