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NP - Self Clinching Fasteners - Tapered Pins
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Self Clinching Flush Head Tapered Pins provide an easy way to obtain a strong captivated alignment or pivoting point in thin sheet metal.
The tapered tip of this fastener makes mating hole alignment simple and easy.
As the name suggests Flush Head Tapered Pins install fully flush on the back of the panel meaning that minimal surface finishing is required after installation.
The proven Clinch feature provides excellent resistance to sideways loads.
Available to special order only in Stainless Steel in diameters of 3mm, 4mm, 5mm and 6mm in a range of lengths.
Like all self clinching fasteners they are installed using a parallel squeezing action so require access to both sides of the panel.
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Pin Dia (P) ± 0.05 |
H
Max |
Min Sheet
Thickness |
Hole Size in Panel
+ 0.08 - 0.0 |
D
± 0.4 |
Min C/L to
edge of panel |
3mm |
2.3 |
1.0 |
3.5 |
5.2 |
6.4 |
4mm |
2.3 |
1.0 |
4.5 |
6.12 |
7.1 |
5mm* |
2.3 |
1.0 |
5.5 |
7.19 |
7.6 |
6mm* |
2.3 |
1.0 |
6.5 |
8.13 |
7.9 |
Lengths |
Pin Diameter |
Length (L) ± 0.4 |
3mm |
6 |
8 |
10 |
12 |
15 |
4mm |
6 |
8 |
10 |
12 |
15 |
5mm* |
- |
8 |
10 |
12 |
15 |
6mm* |
- |
10 |
12 |
16 |
20 |
*Made to order only
Part Number Examples |
Materials |
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Type | Dia | Length | Finish
i.e. : NTP-4MM-20-A2
(Tapered Clinch Pin
4MM x 20mm
- Stainless Steel)
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300 Series Stainless Steel (A2)
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Installation Note
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The following installation panel material hardness
limitations apply when installing
Self Clinching Tapered Pins.
300 series Stainless Steel
Clinch Pins: 70HRB Max
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Installation Guide
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Pin Diameter |
Panel Thickness |
D
± 0.05 |
C
± 0.05 |
3mm |
1.70mm panel thicknesses & below |
3.11 |
3.88 |
1.80mm panel thicknesses & over |
Not Required |
4mm |
1.70mm panel thicknesses & below |
4.11 |
4.88 |
1.80mm panel thicknesses & over |
Not Required |
5mm |
1.80mm panel thicknesses & below |
5.13 |
5.89 |
1.90mm panel thicknesses & over |
Not Required |
6mm |
1.90mm panel thicknesses & below |
6.12 |
6.89 |
2.00mm panel thicknesses & over |
Not Required |
First punch or drill the correct size hole. DO NOT deburr the hole prior to installation as this will remove material required during the clinching process. It is preferable to install the fastener from the side of the panel with the burring or blow through.
Place the fastener in the hole like in the diagram above making sure the part is seated squarely.
Apply a parallel squeezing force until the head is embedded flush in the panel.
When installing Self Clinching fasteners, please pay attention to the minimum hole centerline to edge and parent material hardness limitations.
For special applications or if you are unsure of any aspect about the usage or installation of this fastener, give our sales office a call and we will do our best to offer you a solution or give advice on your application.
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Performance Data
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Pin Dia |
Test Panel |
Panel Hardness
Rockwell B |
Installation
(kN) |
Pushout
(N) |
3mm |
1.2mm Aluminium |
20 |
12 |
0.55 |
1.2mm Steel |
62 |
22 |
0.97 |
4mm |
1.2mm Aluminium |
22 |
22 |
0.90 |
1.2mm Steel |
62 |
26.5 |
1.55 |
5mm |
1.5mm Aluminium |
19 |
28.0 |
1.0 |
1.5mm Steel |
60 |
32.5 |
1.8 |
6mm |
1.5mm Aluminium |
19 |
31.0 |
1.1 |
1.5mm Steel |
60 |
38.9 |
2.1 |
The above data is based on average values obtained in a test environment. Variations in hole size, panel material and installation will effect performance. It is recommended that you carry out your own performance tests in the actual application. Contact our sales department who will be happy to supply samples free of charge.
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