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5600-002
#3-48 Slotted Round Head Machine Screw 18-8 Stainless Steel

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#5-40 Slotted Round Head Machine Screw 18-8 Stainless Steel

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#8-32 Slotted Round Head Machine Screw 18-8 Stainless Steel

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#10-24 Slotted Round Head Machine Screw 18-8 Stainless Steel


Stainless Steel Machine Screws

Stainless Steel Slotted Round Head Machine Screws

Round Head Screws in 18-8 Stainless Steel

Slotted round head machine screws are ASME standards specific. These fasteners are installed with flat or slotted screwdriver. Round Head Machine Screws feature a domed top, similar to a button head but shaped more like half of a sphere. Slotted head machine screws are often used with nuts as well as driven into tapped holes. In practice, they tend to be mostly available in smaller sizes and the smaller sizes are referred to as screws, or less ambiguously as machine screws, although some kinds of machine screw can be referred to as stove bolts.

Stainless steel is used primarily for long lasting applications, due to its corrosion-resistant nature and durability. 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.

18-8 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.