Reduced Countersunk Rivet Nuts, with a smooth body and open end, are a form of internally threaded insert and are used in applications where the material thickness is too small to tap a conventional thread. By using rivet nuts, a strong thread is created in thin sheets of material for high strength fastening from bolts and other threaded articles.
The open ended style of this rivet nut allows the stud, or male threaded component, to thread through the rivet nut without limiting the length or protrusion of the male threaded part. The knurled body of the rivet nut provides increased resistance to turning in the application – especially when they are installed into softer materials.
The reduced countersunk head allows this type of rivet nut to be used in applications without any extra hole preparation, providing a low profile flush fit to the application. This enables reduced countersunk rivet nuts to be installed in post-painted or pre-coated applications without damaging the surface.
Reduced countersunk smooth-bodied and open-ended rivet nuts are installed using a special tool with a threaded stud or nose that engages with the internal threads of the rivet nut before pulling upwards, deforming the unthreaded section. This then expands under the reverse side of the material, providing a high strength permanent thread in a thin sheet material.
Available as standard in M3 to M10 to suit various grip ranges, with a range of materials, sizes and bespoke requirements available as specials.
Please contact us with your requirements to further your enquiry.
|Rivet Nut Reduced Countersunk Smooth Body Open End
|THREAD||Grip Range (GR)
||Hole Dia (D)||Body Dia||Head Dia (DK)
||Head Thickness (K)||Length (L)|
|M3||0.5 – 1.5||4.8||4.7
||0.5 – 2.0||t6.4||6.3||7.1||0.5||10.5|
|M5||0.5 – 3.0
|M6||0.5 – 3.5||9.6||9.5||10.3||0.6||15.0|
|M8||0.7 – 3.8
|M10||1.0 – 5.0