*Security function: the outer part is a self-rotating mechanism that only a tool matching the screw head can dismantle.
*Special head shapes and tools could be custom-made according to customers’ requirements.
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We will be back to you as soon as possible.
Please leave your brief messages and contact information.
We will be back to you as soon as possible.
Please leave your brief messages and contact information.
We will be back to you as soon as possible.