Clinch Nuts

What are clinching nuts?
A clinching nut is usually installed permanently into aluminium, steel or stainless steel sheets. They are commonly referred to as a self-clinching nut or a flush nut. They have a strong, reusable, female thread that is considered too thin to be conventionally tapped.

How do clinch nuts work?
A self-clinching nut can be installed by placing them in properly sized hole, to then apply a parallel squeezing force to the head of the nut. After this action, the parenting material flows into the specially designed under head configuration which results in a load bearing and torque resistant joint.

How to install a clinching nut:
• Before starting to install your clinching nut, make sure that the correct spigot length have been chosen for the thickness of the sheet (thick or thin) or material that is being used. Choose an appropriate hole size, and then pre-punch the hole diameter into the sheet of material.
• Then you should place the nuts spigot end into the whole on the opposite side of the mating face, making sure that the nut and the plate are perfectly aligned along an identical axis.
• Pick up your profiled punch and apply pressure (a sufficient amount) to squeeze the nuts serrations onto the sheet metal.
• Once the installation is complete the fastener should provide you with rotational resistance and the spigot joint should have a flush finish with the sheet of metal.

What are clinch nuts used for?
These self-clinch nuts are used in a variety of applications, please see below some of the most common.
• White goods
• Telecommunications
• The automotive industry
• Audio
• Electrical
• Enclosures

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Description Price Thread Size Fixing Hole Diameter Body Outside Diameter Body Depth Thickness of Material Maximum Thickness of Material Minimum Finish Material
RS Stock No. 827-603
BrandRS PRO
HK$86.80
1 Bag of 50
Bag(s)
M3 4.75mm 7.1mm 1.6mm 2.3mm 1.5mm Clear Passivated, Zinc Steel
RS Stock No. 827-647
BrandRS PRO
HK$38.61
1 Bag of 50
Bag(s)
M4 5.4mm 7.9mm 2.4mm 2.3mm 1.5mm Clear Passivated, Zinc Steel
RS Stock No. 827-619
BrandRS PRO
HK$40.37
1 Bag of 50
Bag(s)
M3 4.75mm 7.1mm 1.6mm 2.4mm - Clear Passivated, Zinc Steel
RS Stock No. 827-631
BrandRS PRO
HK$49.72
1 Bag of 50
Bag(s)
M4 5.4mm 7.9mm 2.4mm 1.4mm 1.1mm Clear Passivated, Zinc Steel
RS Stock No. 827-596
BrandRS PRO
HK$60.21
1 Bag of 50
Bag(s)
M3 4.75mm 7.1mm 1.6mm 1.14mm 1.1mm Clear Passivated, Zinc Steel
RS Stock No. 827-653
BrandRS PRO
HK$53.95
1 Bag of 50
Bag(s)
M5 6.35mm 8.7mm 2.4mm 1.4mm 1.1mm Clear Passivated, Zinc Steel
RS Stock No. 827-625
BrandRS PRO
HK$40.57
1 Bag of 50
Bag(s)
M4 5.4mm 7.9mm 2.4mm 1mm 0.8mm Clear Passivated, Zinc Steel
RS Stock No. 827-675
BrandRS PRO
HK$56.05
1 Bag of 50
Bag(s)
M6 8.75mm 11.1mm 4.4mm 2.3mm 1.4mm Clear Passivated, Zinc Steel
RS Stock No. 827-669
BrandRS PRO
HK$51.74
1 Bag of 50
Bag(s)
M5 6.35mm 8.7mm 2.4mm 2.3mm 1.5mm Clear Passivated, Zinc Steel
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