Metric DIN 7516D Flat Countersunk Head Phillips Thread-Cutting Screws Specification pdf
Metric DIN 7516 Type D is a flat countersunk head cross recessed (Phillips) drive thread-cutting screws which are self-tapping screws that have a blunted tip and specialized grooves in their threads that are designed to help remove material from the pilot hole in the substrate. This feature enhances the ability of the DIN 7516D flat countersunk head cross recessed (Phillips) drive thread cutting screws to tap its own thread. A slightly smaller core pilot hole diameter can be used for thin-walled substrates made from softer materials. The ideal diameter of the pilot hole should be determined on the basis of adequate testing. The depth of engagement should not exceed 2 X diameter. Flat countersunk heads have a flat top surface and a cone-shaped bearing surface with a head angle of approximately 90°. They are used for applications where the head must be flush with the mating surface of the substrate. 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 DIN 7516 Type D is a flat countersunk head cross recessed (Phillips) drive thread-cutting screws are available for immediate shipping from stock: Diameters ranging from M3 to M6 up to 30mm long in zinc plated steel. View parts by clicking on the following link: Metric DIN 7516 Type D is a flat countersunk head cross recessed (Phillips) drive threadcutting screws
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