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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: Sudong
  • Model Number: SD-A300L
  • Power Source: Electricity
  • Type: Precision Screwdriver
  • Rated Voltage: DC 30V
  • Rated Input Power: 40W
  • Max. Torque: 3.5kgf.cm/0.34N.m
  • No-Load Speed: HI:1000R.P.M/Lo:650R.P.M
  • Dimensions: 33*9*10cm
  • Weight: 1.2KG
  • Color:: As picture
  • Whole set:: Electric screwdriver+2pcs screw bits+power adapter+signal controller
  • Warranty:: 2 years for motor, 1 year for whole body
  • Type:: trigger start type
  • Measuring Range:: 0.2-3.5(kgf.cm)/0.17-3.04(lbf.in)/0.02-0.34(n.m)
  • Torque accuracy: ±3
  • Torque ajustment:: Stepless adjustment
  • Applicable power adapter: SD-30V40W3P
  • Machine screw diameter:: 1.2-2.5
  • Tapping screw diameter: 1.2-2.0

Packaging & Delivery

Packaging Details: 1pc /box
Delivery Detail: within 2-3days upon receiving the payment
SD-A300L Automatic Electric Screwdriver/Elektroschrauber(Electric Screwdriver for assembly torque controll screwdriver)
Product Description

Performance of SD-A300L DC Automatic Brushless Electric screwdriver /Hand Tool :


1.  It is automatic Electric screwdriver. When the torque is locked, the clutch will automatically trip,the motor power will be automatically off and the electric screwdriver will stop running.


2. Brushless aerospace-graded motor is used and produces no dust, low noise and durability. Maintenance is not necessary.


3.  Non-contact switch is used to provide a durable life in which there is no necessity to replace the item often.


4.  The forward/ reverse switch is designed according to ergonomics allowing the one-handed operation.


5. Torque adjustment is easy and convenient step-less adjustment by rotating the torque adjustment ring to the left or to the right.Speed can also be adjusted to High (Hi) or Low (Lo).


6.  Four screwdriver heads( A,B,C and D) are available.


7. It can be used for laptops,integrated substrates,mobile phones, digital cameras and other products assembly operatons.


8.  It is suitable to be used in dust-free workshop.


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








Product Series

Electric Screwdriver Series




DC Intelligent Built-In Counter Trigger Start & Push Start Type

Electric Screwdriver

DC Normal Built-In Counter Trigger Trigger Start & Push Start Type

Electric Screwdriver

DC Brand-New Normal Trigger Start & Push Start Type

Electric Screwdriver

DC Variable Speed Trigger Start Type

Electric Screwdriver

DC Normal Trigger Start Type

Electric Screwdriver

DC Economic Trigger Start Type

Electric Screwdriver

DC Super Value Trigger Start Type

Electric Screwdriver

DC Intelligent Auto Machines  Series

Electric Screwdriver

Whole Products Series


Electric Screwdriver

Digital Torque Meter Series

Automatic Screw Feeder Seriess

Soldering Station

SMD Rework Station And Desoldering Station

Fume Purifying & Smoking Absorber Series

Automatic Glue Dispensers

Automatic Tape Dispenser

Ionizer Equipment Series

Tester And Instrument Series

Antistatic Consumable Series & Personal Protection Series

Magnifying Lamp & Mircroscope & Led Lamp

Contact Probe Series

Hand Tools

Other Products

Product Review
Packaging & Shipping
Company Information

Kingsom Technology Co.,Ltd was established in 2004,we have been focused on electronic tools for more than 10 years.We are a manufacturer as well as a trading company. We can offer all the items using for assembly line professionally, of course we cannot make all the items by ourselves. We are familiar with all the brand and quality situation in our market here, we will double check the items before sending out. We always offer the high quality and competitive products to our customers and enjoy very good reputation.
We have many agent all over the world such as in USA, Taiwan, Spain, Thailand, India, Singapore, Korea, etc. Our Main products is Electric Screwdriver Series,Fume Extractor series,Soldering Series,ESD products, etc.All our items are with CE certificate and ROHS passed.                                                                                
                                                                                                                  Meanwhile, we are also the sole agent for Italian Piergiacomi cutters selling in China.
                                                                                                                                                          We aim to be the excellent and always share the  mutual benefits with our partners,to provide the best products & satisfied with services,competitive price and highest technology,to develop the relationship with our partners in the world.
Our Services

1.Your inquiry related to our products or prices will be replied in 24hours.

2.Well-trained and experienced staffs to answer all your inquiries in fluent English


4.Good quality paper box & carton packing

5. Double check before shipping

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

7 Ocean Freight or cargo forwarder service

8. Sample order in small quantity is acceptable


Q1.Are you a factory or trading company?

We are a manufacturer.We have 1000 sqm modern factory, with 3 production lines. We have 100 factory workers and 10 of them are quality control and engineer guys. Welcome to visit our factory.



Q2. Are your products the lowest price?

We take the quality and competitive price into consideration prior. The price is based on the order quantity. We always offer the high quality level products for buyers and discount is available from us when the order is big.


Q3. All products have a warranty?

 Yes, we supply 1 to 2 years warranty for our electric screwdriver and fume extractions. You will be satisfied with our quality.


Q4. Can we add our logo on products?

Yes, there are several ways to do this.  We can put the label of your logo on the products or make the silk print of your logo on the products when your order reach the required MOQ.


Q5. Can we customize product?

OEM and ODM are welcomed  from  Kingsom. We have rich experiences in this area.


Q6.. How about lead time?

It is based on your quantity, in general, small quantity is within one week. Large quantity will be about 20-25days.


Q7.If I have a question I would like advice on how to contact you? 

The best way is by e-mail. Tel, wechat, whatsapp, skype, contact us on our website online service worker are good ways to reach us also. 


Q8. What will you provide services? 

Solution providing, engineering, system design, best products suggestion, quality control, delivery, after sale service and many others. You can get our feedback during 24 hours.


Contact Us

SD-A300L Automatic Electric Screwdriver/Elektroschrauber(Electric Screwdriver for assembly torque controll screwdriver)

SD-A300L Automatic Electric Screwdriver/Elektroschrauber(Electric Screwdriver for assembly torque controll screwdriver)

SD-A300L Automatic Electric Screwdriver/Elektroschrauber(Electric Screwdriver for assembly torque controll screwdriver)

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