Metric Full Nuts

DIN 934 

BS 3692 

ISO 4032

Materials and Finishes:

Steel/Zinc & clear 

Stainless steel/Self colour 

Brass/Self colour


Note: Due to the fact that fastening applications differ greatly, the below information is for guidance only and is correct to the best of our knowledge. The customer must satisfy themselves with the performance of the fastener and validity of the data. TR Fastenings will not be held responsible for any failure that may occur from the use of this information.

Technical Support Articles
Mechanical Properties of Steel Nuts with Coarse Threads


Dimension data
 dM2.5M3M3.5M4M5M6M8M10M12M14M16M20 (1)M24 (1)
DIN 934 & BS 3692m22.42.83.2456.581011131619


 dM2.5M3M3.5M4M5M6M8M10M12M14M16M20 (1)M24 (1)
ISO 4032m22.

1 - Sizes non-preferred. Please enquire for availability

Technical Support Articles
Thread geometry - Metric coarse threads
Tightening factors & tolerances
Torque data - Steel fasteners - Standard metric threads
Mechanical properties - Metric steel nuts
Preferred range
Preferred Range
Thread (d)M3ST  A2  A4  BR
M4ST  A2  A4  BR  NY
M5ST  A2  A4  BR  NY
M6ST  A2  A4  BR  NY
M8ST  A2  A4  BR  NY
M10ST  A2  A4  BR
M12ST  A2  A4  BR
M14ST  A2  A4  BR
M20ST  A2  A4
M24ST  A2  A4

ST - Steel, Zinc & Clear - other finishes often available

A2 - A2 Stainless Steel, Self Colour

A4 - A4 Stainless Steel, Self Colour

BR - Brass, Self Colour

NY - Nylon

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