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What is a DIN 7983-C A2 Stainless Phillips Oval Head Tapping Screw?
DIN 7983-C tapping screws are metric self-tapping screws featuring a raised countersunk (oval) head, Phillips drive, and a Form C cone point. The raised countersunk head combines a 90° countersunk underside with a slightly domed top, allowing the screw to seat in a countersunk hole while leaving an attractive rounded profile above the surface.
The Form C cone point is designed to start easily in a pre-drilled hole while forming its own mating threads in sheet metal, plastics, and other suitable materials. Unlike machine screws, DIN 7983-C tapping screws are intended for use in untapped materials and should not be used with machine thread nuts or tapped holes.
DIN 7983-C has been superseded by ISO 7051, although the DIN designation remains widely recognized throughout industry. They are also known as Phillips oval head sheet metal screws, raised countersunk tapping screws, raised head self-tapping screws, oval head sheet metal screws, and ISO 7051 tapping screws.
What material is a DIN 7983-C A2 Oval tapping screw made from?
DIN 7983-C screws are manufactured from A2 stainless steel, providing excellent corrosion resistance together with dependable mechanical strength for general-purpose fastening applications. A2 stainless steel performs well in humid and mildly corrosive environments while resisting rust and oxidation.
The natural stainless finish offers long-term durability, an attractive appearance, and minimal maintenance, making these screws suitable for both indoor and outdoor use. The Phillips drive is one of the most widely recognized drive systems, offering quick, reliable installation with commonly available tools for both production and maintenance applications.
Why choose an A2 stainless DIN 7983-C Phillips tapping screw?
A2 stainless DIN 7983-C screws offer an excellent balance of corrosion resistance, installation efficiency, and finished appearance. The Form C cone point starts easily in pre-drilled holes and forms its own mating threads during installation, eliminating the need for pre-tapped holes and reducing assembly time. The Phillips drive provides fast, dependable installation using standard tools, while the raised countersunk (oval) head produces a clean, decorative finished appearance that is ideal where the fastener remains visible. These screws are an excellent choice for general-purpose fastening applications requiring reliable performance and a professional appearance.
Where are DIN 7983-C A2 stainless Phillips tapping screws commonly used?
DIN 7983-C A2 stainless Phillips raised countersunk tapping screws are widely used in sheet metal fabrication, electrical enclosures, HVAC equipment, automotive components, appliance manufacturing, architectural hardware, control panels, transportation equipment, machinery, electronics, and general industrial assemblies.
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