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Fixaball sells all M3, M4, M5, M6, M8, M10, M12 BZP Reduced Head Rivet Nuts.
They are fitted using a specialised tool called a Threaded Rivet Insert Tool - the mandrel on the tool is threaded into the rivet. As you squeeze the handles of the tool the mandrel is pulled towards you and deforms on the back of the rivet, on the back of the sheet material creating a bulge that clamps the sheet between the head and the deformation.
Head - Reduced
Reduced Head Rivet nuts provide a strong captivated thread in thin panels and in applications where only one side of the panel is accessible such as box or tube section. Rivet nuts have an advantage over other captivated fasteners because they can be installed on site or uséd for repair work to replace a previously installed fastener that has failed. The advantage of installation from one side of the application means that access to the back of the panel is never required.
Body - Knurled/ Serrated Under Head
The Riv-nut sizes have serrations/ grooves called knurls on the body to help give grip and prevent rotation during fabrication.
Thread – Standard Metric Coarse
Orders placed before 2pm are dispatched same day (Mon-Fri).
Standard, Free Delivery is Royal Mail, 2nd Class (2-5 days, most likely 2 days). For a faster delivery time, select 1st class or courier at checkout.
Please choose your size and pack quantity from the drop down menus.
Reduced Head, Rivet Nut, Steel, Zinc are available in the following sizes:
M3X11.5 (1.5-3.0) Steel Reduced Head Round Knurled Body JRP Rivet Nuts |
M4X13.0 (2.0-4.0) Steel Reduced Head Round Knurled Body JRP Rivet Nuts |
M5X13.0 (2.0-4.0) Steel Reduced Head Round Knurled Body JRP Rivet Nuts |
M6X16.0 (2.5-5.0) Steel Reduced Head Round Knurled Body JRP Rivet Nuts |
M8X18.5 (3.0-5.0) Steel Reduced Head Round Knurled Body JRP Rivet Nuts |
M10X22.0 (3.5-6.0) Steel Reduced Head Round Knurled Body JRP Rivet Nuts |
M12X27.5 (4.0-6.5) Steel Reduced Head Round Knurled Body JRP Rivet Nuts |
Material and Finish
Riv-Nuts Mild Carbon Steel Cr3 - Zinc Plated
Important dimensions and installation sizes
Fixaball – Specialist Fixings and Fasteners Suppliers Reduced Head Rivet Nuts, Steel (zinc plated) |
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All dimensions in Metric – Millimetres - mm |
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Thread size and Pitch |
Body Diameter |
Total Length |
Drill Hole Size |
Material Grip Range |
M3 x 0.5mm |
4.9 |
11.5 |
5mm |
1.5mm-3.0mm |
M4 x 0.7 |
5.9 |
9.5 |
6mm |
0.3 To 3.0mm |
M5 x 0.8 |
6.9 |
12 |
7mm |
0.5 To 3.0mm |
M6 x 1 |
8.9 |
14.5 |
8.5mm-9mm |
0.5 To 5.0mm |
M8 x 1.25 |
10.9 |
16.5 |
10.5mm-11mm |
0.5 To 5.0mm |
M10 x 1.5 |
12.9 |
17 |
12.5mm-13mm |
0.5 To 5.5mm |
M12 x 1.75mm |
15.9mm |
27.5mm |
16mm |
4.0mm-6.5mm |
Image is for illustrative purposes only.
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Accepted Payment Methods
Returns are accepted
Items must be returned within 30 days of the auction ending
Buyer will pay for return shipping.