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Error checking fasteners during the assembly process

In manufacturing, screw counting is a quality control process. When assembly operators tighten hundreds upon hundreds of fasteners daily they will at times forget to fasten a few screws. Knowing when fasteners are not installed and seated to specification is of utmost importance.




How do we resolve this issue and get it right the first time?

Smart torque readout system – Sumake


Electric Torque Screwdrivers with advance torque readout system (EAA-CTDS). Uses our premium brushless torque clutched screwdrivers technology with the additional capability of a smart torque readout system with screw counting functionality. The torque readout system provides instant torque value that can be capture via a computer or integrated assembly PLC system..


Torque Readout systems categories – Low Torque (1.3 – 16.4 in/lbs) – Medium Torque (8.86 – 43.0 in-lbs) – High Torque (20.4 – 510.o in-lbs)






Torque Readout systems with Brushless Screwdrivers torque ranges from .3 – 510.0 in-lbs. These packages come with everything needed to start recording torque values





Torque Readout Packages

EA-BNK412L/C6EA-BNK412P/C6EA-BNK412LH/C6EA-BNK417LH/C6, and EA-BNK419L/C6 contain everything needed to record torque values for critical assembly applications. It comes with the Electric Torque Screwdriver (EA-BNK412L/C6 ) and our Advance Torque Readout System (EAA-CTDS). The torque readout system provides instant torque value that can be captured via a computer using our Data Acquisition System (software comes with system). The additional screw counting functionality assures that the user has inserted the correct number of screws without stripping or cross-threading. All this information is displayed on the control unit (to help guide the user through the assembly process) and the Data Acquisition System (to allow for torque and system settings to be captured). The clutched screwdriver assures that the set toque is reached within a +- 3% accuracy and the EAA-CTDS provides a visual system to aid to the user as well as an integrated computer transmission system. In addition to the torque readout the EAA-CTDS system can also provide Input/Output capabilities for additional torque control.

The EA-BNK412L/C6 screwdriver must be used with the EAA-CTDS Torque Readout System. This lever-start torque limiting screwdriver, model EA-BNK412L/C6, has a range of 1.3 – 10.42 in-lbs with a housing designed to ensure the operator’s comfort. It has a brushless motor that generates less heat, requires less maintenance, and is ideal for clean-rooms. Common usages for this screwdriver are demanding assembly fastening applications that require one or all the following: Torque c



Full Auto Shut-Off Inline driver, torque ranges 8.68 – 43.0 in-lbs, torque readout and much more.

Torque Readout Systems Medium Torque Packages EA-BNK630LC6, BNK630PC6, BNK630LHC6BNK630PHC6BNK650LC6 and BNK650PC6

Medium Torque Readout systems with Brushless Screwdrivers torque ranges from 8.68 – 43.0 in-lbs. These packages come with everything needed to start recording torque values.












Screwdriver Features:

  • Lever start
  • Brushless Motor (ideal for clean-rooms)
  • One year Warranty
  • Can be ordered with an ESD housing
  • Automatic shut-off precision clutch
  • Reverse/forward switch
  • Torque adjustable by external dial.
  • Screwdriver Control: Speed (Hi/Low)


Torque Readout Features:

  • Comes with Sumake CTDS Data Acquisition Software System
    • Captures Torque Readings via computer
      • Torque Value
      • Torque Status (Good/No Good)
      • Time
      • Threads
      • Screw Count
  • Programmable both at the single fastener job and multiple fastener job
  • Auto Clear display
  • Minimum and maximum number of rotation signal
  • Units (KGF and Nm)
  • Screw Counter: 1 – 99
  • Count direction: Up or down
  • Programmable time windows for Good/No Good fastener verification
  • NG alarm: On/Off with LED
  • OK alarm: On/Off with LED
  • External Inputs: Start forward direction ,start in reverse, disable driver
  • External Outputs: OK/NG/OK All, brake





Full Auto Shut-Off Inline driver, torque ranges 20.4 – 510.0 in-lbs, torque readout and much more.

High Torque Readout systems with Brushless Screwdrivers torque ranges from 20.4 – 510.0 in-lbs. These packages come with everything needed to start recording torque values.


Torque Readout Systems High Torque Packages EA BNK960LC6BNK960PC6BNK990LC6BNK990PC6BNK9120LC6BNK9120PC6BNK9180LC6BNK9180PC8BNK9350LC6BNK9350PC6BNK9500LC6 and BNK9500PC6





A screw counter improves product quality, reliability and manufacturing costs. Along with your profitability and reputation when you ensure the assembly has gone through a quality control process. The screw counter will take control of the assembly process and allow the operator to focus on other important tasks.


It is essential for companies to control torque and ensure product SAFETY, quality and reliability.