Next: US Style Rivet Nut Flange Head Half Hex Open End 
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Rivet Nut Flange Head Half Hex Open End fasteners are designed to fit into a hexagon hole, preventing the rivet nut turning after installation.
Rivet nuts are a form of internally threaded inserts and are used in applications where the material thickness may be too small to tap a conventional thread. The use of rivet nuts creates a strong thread to help with high strength fastening from bolts and other threaded items.
Suitable for load-bearing applications, the flange head acts to reinforce the hole and has excellent resistance to push out forces.
Flange Head Half Hex Open End Rivet Nuts are manufactured from Zinc Plated Steel, A2 Stainless Steel and A4 Stainless Steel as standard.
Available at Fastenright in sizes M3 to M12 as standard.
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.
| Metric Technical Data & Availability | |||||||||||||||
| Thread Diameter |
Grip Range (mm) |
Hole A/F d (mm) |
Body A/F (mm) |
Head Dia. b (mm) |
Head Thick. k (mm) |
Length L (mm) |
Availability | ||||||||
| M3 | 0.3 – 1.8 | 4.9 | 4.8 | 8.0 | 0.75 | 9.0 |    |
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| M4 | 0.5 – 2.0 | 6.0 | 5.9 | 9.0 | 0.8 | 12.0 | |
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| M4 | 0.5 – 2.5 | 5.9 | 5.8 | 9.3 | 1.0 | 11.5 | |
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| M4 | 0.5 – 2.5 | 6.1 | 6.0 | 9.0 | 1.0 | 12.0 | |
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| M4 | 2.5 – 4.0 | 6.1 | 6.0 | 9.0 | 1.0 | 13.5 | |
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| M5 | 0.5 – 2.5 | 7.0 | 6.9 | 10.0 | 1.0 | 12.0 | |
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| M5 | 0.5 – 3.0 | 7.1 | 7.0 | 10.0 | 1.0 | 13.0 | |
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| M5 | 0.5 – 3.0 | 6.9 | 6.8 | 10.3 | 1.0 | 13.5 | |
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| M5 | 3.0 – 4.5 | 7.1 | 7.0 | 10.0 | 1.0 | 14.5 | |
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| M6 | 0.5 – 3.0 | 8.9 | 8.8 | 12.3 | 1.5 | 15.5 | |
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| M6 | 0.5 – 3.0 | 9.0 | 8.9 | 12.7 | 1.5 | 15.5 | |
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| M6 | 0.5 – 3.0 | 9.1 | 9.0 | 12.0 | 1.5 | 15.5 | |
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| M6 | 3.0 – 5.0 | 9.1 | 9.0 | 12.0 | 1.5 | 17.5 | |
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| M8 | 0.5 – 3.0 | 10.9 | 10.8 | 14.3 | 1.5 | 17.5 | |
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| M8 | 1.0 – 3.0 | 11.1 | 11.0 | 14.5 | 1.5 | 18.0 | |
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| M8 | 1.0 – 3.5 | 11.0 | 10.9 | 15.0 | 1.5 | 18.0 | |
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| M8 | 3.0 – 5.0 | 10.6 | 10.5 | 13.0 | 0.9 | 18.5 | |
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| M8 | 3.0 – 5.5 | 11.1 | 11.0 | 14.5 | 1.5 | 20.0 | |
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| M10 | 1.0 – 3.5 | 13.1 | 13.0 | 18.0 | 1.7 | 21.0 | |
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| M10 | 1.0 – 4.0 | 13.0 | 12.9 | 17.0 | 1.8 | 21.0 | |
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| M12 | 1.0 – 4.0 | 15.9 | 15.8 | 23.0 | 2.0 | 26.0 | |
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| M12 | 1.0 – 4.0 | 16.1 | 16.0 | 22.7 | 2.0 | 28.0 | |
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| M12 | 2.0 – 5.0 | 16.0 – 17.0 | 15.9 – 17.0 | 23.0 | 2.2 | 27.5 | |
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| = Steel Zinc Plated // = A2 Stainless Steel // = A4 Stainless Steel Size not listed? Please make an enquiry – we may be able to provide it. |
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