If bolts and screws are exposed to moisture for a protracted length of time, they will begin to rust very quickly. Fasteners in automobile components, ships, and even home appliances used outdoors are subject to high levels of moisture that can degrade the function of the devices in which the fasteners are housed. Removing these parts can be difficult, especially if the threads have become rusted or rust has degraded the metal head, making them hard to grip with a wrench or screwdriver. There are several options for how to remove rusted screws and fasteners, including:
While many people simply remove and replace rusted fasteners, in some cases, older or product-specific fasteners cannot be substituted with replacements. Restoring bolts and screws, via rust removal, cleaning, and reinstallation, can be a vital and cost-efficient way of keeping a device functional. There are numerous ways to remove rust, each with its own degree of effectiveness. Some of the more common techniques include:
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