To prevent a corrosive electrochemical reaction between the stainless steel screws and aluminum , you can protect the connecting points from exposure to water with tape or paint, seal the metals at the points of contact or use rubber or plastic washers. It is no doubt that stainless steel screws are the best herees to holding together materials such as aluminum sheets so that when faced with a variety of elements they do not break open. Stainless steel is an alloy of carbon steel that is, itself, resistant to corrosion. However, stainless steel is reactive with aluminum , and when a stainless steel screw is in contact with an aluminum base metal , the aluminum is likely to corrode.

Stainless Steel Flat Head Drilling Screws for Metal Made from 410 stainless steel , these screws are strong, wear resistant, and mildly chemical resistant. A. Vy, when we have stainless screws going into aluminum we have the stainless fasteners cadmium plated (still available in the States) and/or anodize the aluminum . Either of these should fix both the galling and the galvanic corrosion concern. 1-16 of over 90,000 results for stainless steel screws Apply Filters Hide Filters. Machine Screws . Socket Head Screws . Sheet Metal Screws . Self-Tapping Screws . Concrete Screws . Wood Screws . Cutting Screws . Aluminum Bronze (Bronze 954) Brass. Bronze. Cadmium. Carbon Steel . Cast Iron. Ceramic. Copper. EPDM Rubber (

Stainless Steel Screws are available in both 18-8 and 316 stainless steel . Please check out the categories listed below for additional information and sizes. Sheet Metal Screws and Machine Screws are available in several alloys. These alloys include 18-8 Stainless Steel , 304 Stainless Steel and 316 Stainless Steel . Shop our selection of Stainless Steel , Fasteners in the Hardware Department at The Home Depot.