Threaded Blind Rivets with Countersunk Flange
Threaded blind rivets with countersunk flange for thin metal sheets: joined thickness 1.5–6 mm, thread M3–M10. FLOK supplies them in steel and aluminium.
Threaded blind rivets with countersunk flange are designed for installation in thin metal sheets. Upon installation, a hole with internal thread is formed at the joint. The countersunk flange sinks into the material and does not protrude above the surface — this requires the installation hole to be countersunk beforehand.
The thickness of the joined sheet materials ranges from 1.5 to 6 mm. The rivets are made of zinc-plated carbon steel or stainless steel; aluminium is also used. The thread range is from M3 to M10.
| D | d1 | d2 | d3 | L | k | Material thickness | Do | |
|---|---|---|---|---|---|---|---|---|
| min. | max. | |||||||
| M3 | 4.9 -0.1 | 8 ±0.3 | 4 +0.05 | 9 ±0.3 | 1.5 | 1.5 | 2.5 | 5 |
| 11 ±0.3 | 2.5 | 4.0 | ||||||
| M4 | 5.9 -0.1 | 9 ±0.3 | 5 +0.05 | 11 ±0.3 | 1.5 | 1.5 | 3.5 | 6 |
| 13 ±0.3 | 3.5 | 5.0 | ||||||
| M5 | 6.9 -0.1 | 10 ±0.3 | 5.8 +0.1 | 13 ±0.3 | 1.5 | 1.5 | 4.0 | 7 |
| 15 ±0.3 | 4.0 | 6.0 | ||||||
| M6 | 8.9 -0.1 | 12 ±0.3 | 7.8 +0.1 | 15 ±0.3 | 1.5 | 1.5 | 4.0 | 9 |
| 17 ±0.3 | 4.0 | 6.0 | ||||||
| M8 | 10.9 -0.1 | 14 ±0.3 | 9.5 +0.1 | 17 ±0.3 | 1.5 | 1.5 | 4.0 | 11 |
| 19 ±0.3 | 4.0 | 6.0 | ||||||
| M10 | 11.9 -0.1 | 15 ±0.3 | 10.5 +0.1 | 19 ±0.3 | 1.5 | 1.5 | 4.0 | 12 |
| 21 ±0.3 | 4.0 | 6.0 |
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