DIN 6334 Nuts

DIN 6334 Hexagon Nuts 3D

DIN Standards are issued for various components including industrial fasteners such as DIN 6334 Hexagon nuts with collar height 1.5xD. DIN 6334 nuts are manufactured from Carbon steel, Stainless steel, Copper, Heat-treated steel, and Austenitic stainless steel. DIN 6334 coupling nuts are also known as extension nuts. DIN 6334 nuts are available in various sizes, shapes, and materials.

Following are the specifications of German DIN 6334 nuts:

DIN 6334 Nuts
DIN 6334 Nuts


  • Complies with CSN 021604.
  • Strength classes 6,8 and 10.
  • DIN 6334 nuts are soft, cold worked, and turned.
  • DIN 6334 buts also known as extension nuts.


  • To connect two studs, a hexagon nut is used.
  • DIN 6334 metric hex nuts have a height of 3 x the major diameter of the thread.
  • These nuts are strong and have long service life.
  • These nuts are easy to assemble and disassemble.


  • DIN 6334 nuts are used in a wide range of industries, including automotive and motorsport.
  • DIN 6334 nuts are commonly used in damp environments for corrosion resistance.
  • The primary application of DIN 6334 extension nuts is to increase the size of small rods.

Dimension specification of DIN 6334 nuts

d l s e
M6 18 10 11.05
M8 24 13 14.38
M10 30 17 18.9
M12 36 19 21.1
M14 42 22 24.49
M16 48 24 26.75
M18 54 27 29.56
M20 60 30 33.53
We manufacture DIN 6334 nuts as per Custom Specifications and export to Germany, Spain, Netherlands, Portugal, Poland, Greece, UK, and other European Countries. For more Information, Please Contact Us or Inquiry Now.