A bolt with a locking feature that achieves maintenance-free operation.
The bolt itself has a function to prevent loosening. Even when tightened to a value approximately 20% lower than the traditionally recommended torque, it is designed to prevent loosening. The anti-loosening function has passed impact and vibration tests in accordance with NAS3350 and 3354 standards.
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basic information
When a force is applied in the loosening direction, a special spring attached to the tip of the bolt expands, generating frictional resistance between it and the inner wall of the female thread to prevent loosening.
Price range
P1
Delivery Time
Applications/Examples of results
It is suitable for installing equipment in areas such as bridge sections and high places where loosening is difficult to inspect and maintain.
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Company information
As a pioneer in post-installed anchors in Japan, KFC was founded in 1965. We respond to customer needs with a consistent system from product development to sales and construction. Our business activities focus on three main areas: construction fastening materials such as post-installed anchors, materials for tunnel excavation like rock bolts and auxiliary methods, and various construction projects related to seismic reinforcement, safety measures, equipment, and refreshment.