ITW Shakeproof Industrial ProductsBroadview, IL
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 Helical Spring (Split) Lockwashers
Historically, among the most widely used anti-loosening components on th market. Shakeproof remains the largest domestic manufacturer of these time-tested lockwashers.
 
   
 Twisted Tooth Lock Washers

ITW Shakeproof is the largest, most diverse and uniquely tooled producer of tooth lockwashers in the world. These time proven washers are the finest anti-vibration, anti-loosening mechanical fastening devices available. Available in wide range of sizes to fit all standard screw diameters, economical tooth washers stand up to high torques and heavy loads.

The twisted teeth compress as torque is applied when fastening. A strong spring reaction is set up as the teeth seek to return to their fully twisted position. These unique teeth contribute greatly to the integrity of a joint assembly.

The powerful spring reaction of the teeth work to maintain fastening tension. The teeth also react instantly to any loosening force, setting up a strut action that is in direct opposition to the loosening rotation of the fastener. The flexed teeth of the washer absorbs shock and vibration, while the spring reaction of the teeth work to absorb high torque and prevent slipping.
 
 

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