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Hex bolts are characterized by their hexagonal heads, which allow for easy gripping and torque application using wrenches and sockets. This shape is not only practical but also ensures that the force applied when tightening the bolt is distributed evenly, reducing the risk of stripping or damaging the fastener. The greater contact area provided by the hexagon enables an efficient transfer of force, making it easier to secure parts together tightly.
The material of a washer is critical to its performance and suitability for specific tasks. Common materials include
Significance in Engineering and Design