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McMaster-Carr


Direct Tension Indicating Fasteners
  
  DTI SmartBolts
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  Simple
No wires, instruments, complex procedures or electronic black boxes. The only instrument needed is the eye. The indication is based on the most accurate known principle for fastener tension measurement - actual fastener elongation under load.
 		    
 

Visual Tension Indication
SmartBolts® is the only tension indicating fastener system featuring an eye-catching visual indication of a potentially dangerous condition, obvious even from a distance and in moving machinery.

(Use mouse to operate the SmartBolt)

 


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SmartBolts® is a registered trademark of Stress Indicators, Inc.