Metric hex head screws/bolts, defined in the DIN 961 standard published by the German Institute for Standardization (DIN), are externally threaded fasteners with a hex washer-faced head and a chamfered end to facilitate mating with an internally threaded component. Hex screws have a fully threaded, fine-toothed shank and are manufactured to very tight tolerances. Metric hex head screws/bolts are manufactured in plain and zinc plated steel in diameters ranging from M8 to M24 and in lengths up to 100 mm.
Similarly, the ISO 8676 standard published by the International Standards Organization (ISO) describes the characteristics of metric fine pitch threaded hex head screws with nominal thread diameters from 8 mm to 64 mm (ISO 8676 Metric fine pitch hex head screws - Product grades A and B). This standard applies to product class A for nominal thread diameters from 8 mm to 24 mm and nominal lengths up to 150 mm, whichever is shorter, and product class B for nominal thread diameters over 24 mm or nominal lengths over 150 mm Includes products for (whichever is shorter).
Hexagonal head screws are threaded fasteners with a six-sided head that can be fitted with a wrench or socket. Metric hexagonal head screws with a fine thread pitch are manufactured as fully threaded according to DIN 961 and partially threaded according to DIN 960. These metric screws are available in both zinc-plated and plain finishes. Other materials or coatings are available upon special request.
Among the numerous test, measurement, analysis and evaluation studies it has given for businesses in various sectors, our organization, with its trained and expert staff and advanced technological equipment, is within the scope of DIN 961 standard, hexagon head screws / bolts for full thread, fine thread and ISO 8676 standard. , also provides testing services for metric fine pitch hex head screws (product grades A and B).
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