Chun Yu Works (USA), Inc. - Company Profile

Bolts

Bolts are threaded rods or pins that fasten objects together. They usually have a head at one end and a thread at the other. Bolts are secured by threaded nuts, and are available in both metric and non-metric designations.

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Nuts

Nuts are fasteners that are designed to fit around and secure a bolt or screw. The application determines the type of nut to use. 

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Screws

Screws are fasteners that consist of a threaded shaft at one end and, typically, a head at the other. They are inserted into solid materials and secured via rotation.

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