Din 7505 Standard Pdf Extra Quality
DIN 7505, officially titled "Thread-forming screws for metric ISO thread" ( Gewindeformschrauben für metrische ISO-Gewinde ), is a German Institute for Standardization (DIN) standard that defines the dimensions, properties, and performance requirements for self-tapping screws designed to form threads in ductile metals.
The standard is typically divided into two parts:
These screws are unique because they do not generate chips. Instead, they plastically deform the material (aluminum, copper, brass, or soft steel) to create a tight, high-strength thread.
The most common drive type for DIN 7505 screws, featuring additional corner ribs for better driver engagement. din 7505 standard pdf
The DIN 7505 series is typically divided into sub-types based on the thread length and shoulder function:
If you are looking for to a specific alternative standard
One of the most critical tables in the is the recommended pilot hole diameter. A hole too small will cause thread stripping or screw breakage; a hole too large results in insufficient thread engagement. The most common drive type for DIN 7505
If you are sourcing these fasteners for a specific project, please let me know: What and length do your specs require? Do you need Form A (countersunk) or Form B (pan head) ?
Zinc plating offers decent corrosion protection (240-480 hours salt spray). For outdoor use, specify zinc flake coating (Geomet/Dacromet) or stainless steel (A2/A4).
The standard, titled "Recessed countersunk head wood screws," was a German industrial specification for chipboard screws. It has been withdrawn and largely replaced by international and European standards, specifically EN 14592 . Overview of DIN 7505 If you are sourcing these fasteners for a
DIN 7505 is a German technical standard issued by the Deutsches Institut für Normung (German Institute for Standardization). It specifically defines the dimensions, mechanical properties, materials, and performance criteria for self-tapping screws designed for use in chipboard, particleboard, MDF, and softwoods.
The DIN 7505 standard defines the geometry and material requirements for self-tapping screws that can be driven into wood surfaces without a pilot hole. Specification Details Carbon steel (typically C1022A) or Stainless Steel (A2/A4) Thread Type Coarse, deep threads for maximum grip and minimum strip-out Common Sizes Diameters from 2.5mm to 6mm ; lengths from 13mm to 150mm Finish Options
The core diameter is minimized relative to the outer thread diameter. This configuration displaces less wood volume, significantly reducing internal material stress and preventing the edge-splitting common in particleboards. 3. Head Types Defined by DIN 7505
: Case-hardened steel screws must possess a high surface hardness to cut threads effectively, paired with a ductile core to prevent snapping under torque.
Understanding the DIN 7505 Standard for Wood Screws The DIN 7505 standard is a globally recognized technical specification established by the German Institute for Standardization (Deutsches Institut für Normung). It specifically defines the dimensional, material, and performance requirements for chipboard screws, which are commonly referred to as wood screws or particleboard screws.