These are M6 x 13mm threaded insert nuts, designed to provide a strong, machine-threaded socket in wood or other soft materials. They feature: * M6 Internal Thread: Accepts standard M6 machine screws. * 13mm Length: Indicates the overall length of the insert. * Hex Drive Head: Allows for easy installation using an Allen wrench or hex key. * External Teeth/Serrations: Provide grip and prevent rotation once installed in the material.
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