SELF DRILLING SCREW

SELF DRILLING SCREW -TRUSS HEAD TYPE
SELF DRILLING SCREW
  • Design and Features: DIN 571 wood screws have a hexagon head, which allows for easy installation using a wrench or a socket. The thread on these screws is typically coarse and designed for use in wood materials. They may have a partially threaded or fully threaded shank, depending on the specific requirements.
  • Materials: DIN 571 wood screws are commonly manufactured from carbon steel or stainless steel. Carbon steel screws are often zinc-plated or have a black oxide finish to enhance corrosion resistance. Stainless steel screws are preferred for their excellent rust resistance.
  • Dimensions: The dimensions of DIN 571 wood screws may vary depending on the specific requirements and application. The standard specifies the thread diameter, thread pitch, overall length, and head dimensions.

DIN 965 - Dimension

Lag Screw Dimensions
Nominal Size Threads Head Width   Head
per Across Across Height
Inch Flats Corners  
Fraction Decimal Basic Avg Basic
01/Apr 0.25 10 07/16 01/Feb 11/64
05/16 0.3125 9 01/Feb 09/16 07/32
03/Aug 0.375 7 09/16 41/64 01/Apr
7/16† 0.4375 7 05/Aug 45/64 19/64
01/Feb 0.5 6 03/Apr 27/32 11/32
05/Aug 0.625 5 15/16 1 1/16 27/64
03/Apr 0.75 4 1/2 1 1/8 1 17/64 01/Feb

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