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Lock Fastener is Japan's only manufacturer of nylon insert lock nuts that use technology developed by ESNA. This technology makes Lock Fasterner's nuts reusable as they do not affect the threads on the mating part.
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How can we improve?
While we are not able to respond directly to comments submitted in this form, the information will be reviewed for future improvement.
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Thank you for your cooperation.
While we are not able to respond directly to comments submitted in this form, the information will be reviewed for future improvement.
Please use the inquiry form.
Customer Privacy Policy