Metric DIN 7973C is a slotted drive raised countersunk (oval) head self-tapping sheet metal screws These screws are designed to cut threads into pre-drilled untapped holes of the substrate into which they are screwed. The recommended pilot hole sizes vary, depending on the diameter of the screw to be used and thickness of the substrate material. These screws are available in zinc plated steel as well as stainless steel A2 and A4. Metric DIN 7973C is a slotted drive raised countersunk (oval) head self-tapping sheet metal screws are fully threaded with a coarse thread and a gimlet point. Recommended to be used in thin gauge sheet metal, resinous plywood, and composite materials. The raised countersunk (oval) heads are countersunk heads with a rounded domed top surface and a cone-shaped bearing surface having a head angle of approximately 80°. They are preferred over standard flat countersunk heads in applications when a more decorative finished look is desired
Aspen Fasteners offers over 500,000 unique fastener products from stock in inch and metric standard in a variety of materials and finishes. The following sizes metric DIN 7973C indented hex washer head trilobular thread rolling screws are available for immediate shipping from stock: Diameters ranging from M2.2 to M6.3 up to 38mm long in zinc plated steel and stainless steel A2 and A4.
View or buy parts by clicking on the following link: Metric DIN 7973C slotted drive raised countersunk (oval) head self-tapping sheet metal screws
To view (or free download) the full specification and standard pdf sheet with dimension, material, weight, technical, chemical and mechanical properties click on the link at the top of page