Conical end metric hexagon socket set screws, defined in the DIN 914 standard published by the German Standardization Institute (DIN), are headless and full threaded screws with an internal hexagonal driver at one end and a conical shaped surface at the other end. They must be passed through pre-drilled aligned holes that allow deep penetration into the countershaft, thereby creating a high clamping force. Tapered hex socket screws are generally produced in steel and stainless steel, with diameters ranging from M2 to M24 and up to 100 mm.
The requirements in the DIN 914 standard are under the following headings:
Similarly, in the ISO 4027 standard published by the International Standards Organization (ISO), the properties of conical-tipped and threaded hexagon socket set screws from M1,6 to M24 and belonging to product class A are described (ISO 4027 Cone-point hexagon socket set screws). In special cases, if specifications other than those listed in this standard are required, existing international standards such as ISO 261, ISO 898-5, ISO 965-2, ISO 3506-3 and ISO 4759-1 should be followed.
Essentially, the DIN 914 standard is a modified version of the ISO 4027 standard.
Cone-tipped setscrews have a sharp, cone-shaped point that jams into the contact material, thus providing the strongest torsional and axial holding power of all setscrew styles. Although they can also be used as pivots or hangers, they are generally used in permanent environments.
Our organization, among the numerous tests, measurements, analyses, and evaluations it provides for businesses in various sectors, also offers testing services for cone-point hexagonal socket set screws under the DIN 914 standard and for cone-point hexagonal socket set screws under the ISO 4027 standard, thanks to its trained and expert staff and advanced technological equipment.
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