DIN 7971 Pan Head Slot Drive Lead Screw - ISO 1481 Slotted Pan Head Screws - BS 4174 Specifications for Self-Tapping Screws and Metallic Drive Screws

DIN 7971 Pan Head Slot Drive Lead Screw - ISO 1481 Slotted Pan Head Screws - BS 4174 Specifications for Self-Tapping Screws and Metallic Drive Screws

Pan-head socket-drive self-tapping sheet metal screws, defined in the DIN 7971 standard published by the German Standardization Institute (DIN), are self-tapping screws on the substrate they are driven into, and are generally made of thin metal. The slot driver accepts a single blade screwdriver ideal for simple manual applications. Pan head slot driver self-tapping sheet metal screws are used with pre-drilled or nested pilot holes in sheet metal or other solid materials.

DIN 7971 Pan Head Slot Drive Lead Screw - ISO 1481 Slotted Pan Head Screws - BS 4174 Specifications for Self-Tapping Screws and Metallic Drive Screws

Similarly, the ISO 1481 standard published by the International Standards Organization (ISO) describes the characteristics of slotted round head tapping screws with thread sizes from ST 2,2 to ST 9,5 (ISO 1481 Slotted pan head screws).

Another standard published on this subject is the BS 4164 standard published by the British Standards Institute (BSI). In this standard, ferrous and non-ferrous, grooved or recessed heads, The dimensions of countersunk, raised countersunk and flat head lead screws, slotted mushroom head, recessed flange head and hex head lead screws, and round head metallic drive screws are described. This standard also includes test requirements and a box with given hole sizes, along with indicators for checking head alignment for corrosion head screws and indentation penetration of countersunk screws.

In the DIN 7971 standard, the requirements for pan head slot drive lead screws are listed under the following headings:

  • Mechanical properties of stainless steel for pan head slot drive lead screws
  • Chemical composition of stainless steel for pan head slot drive lead screws
  • Mechanical properties of steel for pan head slot drive lead screws
  • Chemical composition of steel for pan head slot drive lead screws

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, within the scope of DIN 7971 standard, for pan head slot drive guide screw, within the scope of ISO 1481 standard, slotted pan head. It also provides testing services for screws and technical specifications for self-tapping screws and metallic drive screws under the BS 4174 standard.

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