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ISO 7380-2
a) ISO 7380-2 specifies the standard for hexagon socket button head screws with collar. Generic hexalobular socket (6 lobe) is another common alternative used in various applications.
b) This screw features an extended cylindrical tip, known as a dog point, at the end of the threaded portion, enabling precise alignment and positioning in mating components.
| Description | |
|---|---|
| Material | Stainless steel / Carbon steel |
| Type | ISO 7380 - 2 |
| Driving recess type | Hexalobular socket drive (6 lobe) |
| Head Type | Button head with collar |
| Thread Type | Machine screw thread |
| Surface color | Clean finish / Zinc finish / Zinc nickel plated |
| Thread size / diameter | M3 to M12 |
| Type of end | Extended cylindrical tip (dog point) |
| Field of application | Automotive / Electronics |
| Drive variations | Cross recess type H & type Z |
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DIN 7985 / ISO 7045 / ISO 14583
a) It is a standard that defines the specifications for cross recessed raised cheese head screws (Pan Head). These screws have a raised cylindrical head with a flat bearing surface and a cross recess, often referred to as a Phillips drive (Type H). Some other common types are cross recess type Z (Pozi) and Generic hexalobular socket / 6 lobe.
DIN 933 / ISO 4017
a) DIN 933 refers to a standard for hexagon head bolts with full threads. These bolts are commonly used in mechanical and structural applications that require high strength and reliable fastening.
b) Typically made from carbon steel, stainless steel, or alloy steel. They are available with various surface finishes, such as zinc plating, hot-dip galvanizing, or black oxide, to improve corrosion resistance and enhance durability.
DIN 968
a) DIN 968 specifies the standard for cross-recessed pan head tapping screws with a collar. The screws are commonly available with two types of cross recess drives: Type H (Phillips) and Type Z (Pozidriv), both designed for easy installation and removal.
b) There are two types of thread ends specified in DIN 7970 (Tapping Screws): Type C, which features a cone point, and Type F, which has a flat end.
Phillips hex washer head Trilobe thread rolling screws DIN 7500
a) DIN 7500 specifies self-tapping screws for metal, also known as thread-forming screws. These screws are designed to form or cut threads in a pre-drilled hole in metal materials, without requiring a pre-cut thread.
b) Three indentations on the thread allow better debris clearance and assist in the thread-forming process.
c) A standard trilobe thread forming screw without indentations is avaialble upon request.
Pan head trilobular thread rolling screw DIN 7500
a) DIN 7500 specifies self-tapping screws for metal, also known as thread-forming screws. These screws are designed to form or cut threads in a pre-drilled hole in metal materials, without requiring a pre-cut thread.
b) The screw shank has a three-lobe shape instead of a round cross-section, which reduces friction during installation, and facilitates smooth material displacement and efficient thread formation.
c) The long dog point (the extended, unthreaded tip of the screw) acts as a pilot, helping to align the screw with the pre-drilled hole during installation, and faciliates smooth installation.
d) A standard trilobe thread forming screw without dog point is avaialble upon request.
Flat washer head weld stud
a) A weld screw is a fastener specifically designed for welding onto metal surfaces, particularly steel. It is coated with a thin layer of copper, which enhances conductivity and improves weld quality by ensuring a strong and consistent bond.