ACNA clinch stud
for automated feeding and processing
ACNA clinch stud / screw with thread or without thread as a guide pin for thick sheet metal. In use at car manufacturer OEMs in Germany, Europe and the USA. Widely used at Tier1 level.
Sheet thickness - Used for metal sheets with thicknesses from 2mm
Thread size - M5, M6, M8, M10, M12
Workpiece material - steel, aluminum, copper
Outer diameter - Large
Pull-through force - High
Torque - Very high
Push-out force - Very high
| Thread (d2) | Head diameter in mm (d1) | Head height in mm (l1) | Max. collar height in mm (l3) | Min. sheet thickness in mm (s) | Polot hole diameter in mm (Ø -0.1) | Thread length in mm (l2) |
|---|---|---|---|---|---|---|
| M5 | 8.75 | 1.75 | 3.00 | 2.00 | 5.85 | 10 / 12 / 16 /20 / 25 / 30 |
| M6 | 11.00 | 2.10 | 3.00 | 2.00 | 6.85 | 12 / 16 / 20 / 25 / 30 |
| M8 | 15.25 | 2.80 | 3.00 | 2.00 | 8.85 | 16 / 20 / 25 / 30 / 35 / 40 / 45 / 50 |
| M10 | 19.75 | 3.50 | 3.00 | 2.00 | 10.85 | 20 / 25 / 30 / 35 / 40 / 45 / 50 |
| M12 | 20.00 | 3.80 | 3.00 | 2.00 | 12.85 | 20 / 25 / 30 / 35 / 40 / 45 / 50 |
Tolerances according to ISO 2768-m.
Threads according to ISO 6g.
| Thread pitch | Material | Sheet thickness (mm) | Press-in force (kN) | Push-out force (kN) | Torsional strength (Nm) |
|---|---|---|---|---|---|
| M6 | Steel | 2.3 | 26.7 | 4.78 | 15.22 |
| M8 | Steel | 2.3 3.0 | 42.3 45.4 | 6.09 9.06 | 40.06 40.06 |
| M10 | Steel | 2.3 3.0 | 66.7 73.4 | 5.92 8.82 | 60.49 84.80 |
| M12 | Steel | 2.3 3.0 | 73.4 77.8 | 7.26 13.91 | 81.14 124.25 |
These values are for orientation only and are not binding.
Tests were conducted in steel H320 LA.
| Thread proof load | Thread length | Thread ends | Thread tolerance | Thread coating as an option | Surface protection |
|---|---|---|---|---|---|
| according to class 8.8, 9.8, 10.9 possible | according to customer requirements | according to standard, as well as MaThread | 6g, 6h | Nycote, Precote | Various surface coatings possible |
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