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18-8 Stainless Steel Silicon Bronze
Solid Brass
Stainless Steel Wood Screws

Slotted Flat Head Wood Screws

Stainless Steel Wood Screws are designed to adjoin two pieces of wood tightly and efficiently. Wood Screws are partially threaded with a shoulder below the screw's head designed to slide through the top pieces of wood so that it can pull both boards together tightly. Slotted Flat Head Wood Screws feature a countersunk and undercut head to run flush with the installation surface.

18-8 Stainless Steel

Stainless Steel Wood Screws are used primarily for long lasting applications, due to its corrosion-resistant nature and durability of Stainless Steel. Scratching or burring the metal will not create surface rust as the corrosion resistance exists within the metal itself. Stainless steel is a soft metal due to the low carbon content, therefore most stainless steel bolts are cold-formed and not heat treated or thru-hardened. Cold forming and threading causes stainless steel bolts to become slightly magnetic, some fasteners will be more magnetic than others depending on size and how quick the cold forming process is. Stainless steel fasteners are typically a clean silver color, which also makes them common in finishing and decorative applications. Stainless Steel should never be used with aluminum, corrosion may occur.

(18% Chrome, 8% Nickel, .08% Maximum Carbon) 18-8 Stainless refers to 300 series stainless steel. 303 and 304 Stainless are the most commonly listed grades, the standard grade for stainless steel fasteners. They are corrosion-resistant and durable. They are often used in marine applications in freshwater environments, but will not work as effectively in a salt water environment as 316 stainless. Stainless alloy resists oxidizing and rusting, however it can tarnish over time.

Solid Brass

Brass Wood Screws are made of an alloy made of copper and zinc. The color of brass can vary from dark to light based on the zinc content; more zinc content produces lighter brass. Brass is prized for its corrosion resistance, however it is quite soft so it is not suitable for all applications. Brass conducts electricity and is also a good conductor of heat. It is often used in pipes, weather stripping, trim, radiators, musical instruments, and firearms.

Silicon Bronze

Silicon Bronze Wood Screws are made of copper, silicon, and various other alloys such as zinc, tin, iron and manganese. Silicon bronze is used in marine environments, corrosive environments, and high heat environments. Often used in plumbing and electrical applications, silicon bronze fasteners are also found on tattoo machines and in power plants. Silicon bronze is similar in color to copper and is sometimes used in finish applications for the color.


For more information on fastener types, grades, and materials, please visit our Fasteners 101 page here