DIN 7991 Hex Socket Countersunk Head Screws

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A common screw is DIN7991 hex socket countersunk head screw with a deep head. Its head is a depression that can be buried into the installed parts' surface to make the surface flat. Its hexagonal head can be rotated with a hexagon wrench to fine-tune the screw's tension. The inner hexagonal screw refers to the hexagonal head of the screw, and the thread is in the inner thread, which is commonly used for fastening mechanical parts. DIN7991 hex socket countersunk head screws with deep heads are widely employed in electronics, manufacturing, national defense, aircraft, railway, and other areas due to their shape properties.

Features of DIN7991 Hex Socket Countersunk Head Screw:

DIN7991 hex socket countersunk head screw with a deep head is a common fastener that has the following properties:

The hexagonal screw head in the depression head is depressed in the divine head design. This design can limit protrusion during the surface assembly process, protecting the screw head and reducing damage and wear.

Inner hexagonal: Six corners integrated into the head of the hexagonal screw in the depression head can better preserve the clamping force of the hexagon wrench or wrapped pliers, enhance tightening efficiency and accuracy, and make illegal removal even more difficult.

Material of high quality: The hexagonal screw in the imperial head is often made of high-strength alloy steel. It can be utilized in corrosion and high temperature applications.

Application of DIN7991 Hex Socket Countersunk Head Screw:

DIN7991 Hex socket countersunk head screw is a typical hexagonal screw with a wide range of application possibilities. This screw is typically used for flat, non-protruding, and non-wearing applications such as mechanical parts, vehicle production, electronic equipment, electrical appliances, furniture, and so on. Its deep head design allows the head to immerse the surface of the connected surface, allowing it to remain flat. The inner hexagonal design can give better tight effects, resulting in a greater anti-pine ability. Furthermore, the screw is commonly utilized in assembly processes that demand high strength tightness or disguised screw heads.

DIN7991Hex Socket Countersunk Head Screws Parameter(Specification)：