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Rivet Nut Reduced Countersunk Plain Body Open End

Rivet Nut Reduced Countersunk Plain Body Open End fasteners 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.

These parts 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.

Reduced Countersunk Plain Body Open End Rivet Nuts are manufactured from Zinc Plated Steel as standard. Available at Fastenright M3 to M10 to suit various grip ranges.

Non-standard sizes and materials are available to order as specials, including small volume manufacture, modifications and bespoke parts made to drawings. Minimum order quantities apply.

Rivet nut reduced countersunk smooth open end

Metric Technical Data & Availability
Thread
Diameter
Grip Range
GR (mm)
Hole Diameter
D (mm)
Body Diameter
(mm)
Head Diameter
DK (mm)
Head Thickness
K (mm)
Length
L (mm)
Availability
M3 0.5 – 1.5 4.8 4.7 5.4 0.4 9.0 yellow icon image
M4 0.5 – 2.0 6.4 6.3 7.1 0.5 10.5 yellow icon image
M5 0.5 – 3.0 7.2 7.1 8.1 0.6 12.0 yellow icon image
M6 0.5 – 3.5 9.6 9.5 10.3 0.6 15.0 yellow icon image
M8 0.7 – 3.8 10.6 10.5 11.5 0.6 16.0 yellow icon image
M10 1.0 – 4.0 12.8 12.7 13.9 0.7 20.0 yellow icon image
yellow icon image = Steel Zinc
Size not listed? Please make an enquiry – we may be able to provide it.

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