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Choosing the right Screwdriver for your application - Clutch Selection:

Selection of the appropriate clutch arrangement for your application is the first step in screwdriver specifications. We offer five types. Direct Drive, Impact Clutch, Adjustable Clutch, Positive Clutch and Automatic Shut-Off Clutch. The following diagrams and charts will help you make the right screwdriver selection for your application.
 

Direct Drive -

Designed for soft pull applications in wood and other materials not requiring critical torque control. Applied torque is controlled by the operator and can be limited by regulating air line pressure.

   

Impact Drive -

Designed for general industrial applications - particle board, wood, rattan furniture etc. Double Hammer offers well balanced fastening performance with low torque reaction.

   

Positive Clutch -

Designed for applications where driving torque may exceed final seating torque as in wood and self-tapping applications. Applied torque is controlled by the operator and can be limited by regulating air line pressure.

   
 

Adjustable Clutch -

Very good general purpose torque limiting clutch. Steel balls rolling between indented plates provides smooth disengaging at preset torque while minimizing vibration to the operator.

   

Automatic Shut-Off Clutch -

Designed for critical fastening applicaions involving plastics, composites or metals that require precise torque control. Automatic shut-off reduces air consumption and torque reaction.

   
     
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