Avon Stainless Marine

Tel: +44 (0) 117 972 8560
Fax: +44 (0) 117 972 8570
info@avonstainlessfasteners.co.uk

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Stiff Nuts All Metal


Stiff Nuts All Metal

Ordinary = Standard height. Some may be available as a thin type, subject to manufacturing quantities.

Material: Standard grade is 303 stainless. 316 also available subject to availability.

In use on a bolt/screw, two threads should protrude above the nut after fitment.

Should not be used over damaged or interrupted threads.

Temperature range up to 300 degrees C

Sizes Available
Thread Size Nom Pitch mm A/F Max mm N Dia Max mm H.Max mm F Min mm
M2.5 0.45 5.00 4.75 2.97 1.49
M3 0.50 5.50 5.25 3.52 1.89
M3.5 0.65 7.00 6.65 4.79 2.69
M4 0.70 7.00 6.65 4.79 2.69
M5 0.80 8.00 7.65 6.02 3.49
M6 1.00 10.00 9.58 7.95 4.63
M8 1.25 13.00 12.53 10.00 6.12
M10 1.50 17.00 16.53 12.03 7.62
M12 1.75 19.00 18.47 14.48 9.62
M16 2.00 24.00 23.47 18.75 12.62
M20 2.50 30.00 29.47 22.35 15.62

To find out more about how fasteners are measured please
click here..


  • Diameter: M2.5 to M20
  • Model: stiffnuts

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