Hexagon socket screw plugs with type A collar/flange and cylindrical/straight thread as defined in the DIN 908 standard published by the German Institute for Standardization (DIN), threaded with a hexagon socket driver (hex drive) at the collar end and a cylindrical (parallel/straight) pipe thread along the length of the other are plugs. The collar, when fully tightened, provides a larger bearing surface to sit flush with a preformed hole or surface of the mating substrate. Sealing gaskets are produced in aluminum (type AA) and copper (type AC). They are typically used to seal cylindrical threaded holes in pipes and fittings that carry air, gas or liquid under pressure. Additional sealant coating such as thread sealant (teflon tape), a liquid pipe sealant applied to the threads, or pre-applied sealant is often required for a perfect seal. Type A hexagon socket screw plugs, which fall within the definition of this standard, are manufactured from brass, steel and stainless steel.
The requirements for the plugs covered by this standard are included in the standard under the following headings:
Hexagonal socket screw plugs are one of the most widely used socket screw plugs. Such screws are more load-bearing and more prone to screwing than cross-shaped screws or screws with only grooves on both sides. Inner hexagonal screws are more advantageous especially in narrow spaces. The higher the performance levels of these screws, the stronger they will be. It can be embedded during assembly, and the whole nut can make the surface of the workpiece smooth.
Among the numerous test, measurement, analysis and evaluation studies it provides for businesses in various sectors, our organization also provides testing services for hexagon socket screw plugs with collars, within the scope of DIN 908 standard, with its trained and expert staff and advanced technological equipment.
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