ACB clinch stud
for automated feeding and processing
Clinch stud / screw for conventional performance requirements and suitable for low to medium sheet metal thicknesses. In use at car manufacturer OEMs in Germany and the USA.
Sheet thickness - Used for metal sheets with thicknesses from 0.8mm to 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 - High
| Thread (d2) | Head diameter in mm (d1) | Head height in mm (l1) | Collar height in mm (l3) | Sheet thickness in mm (s) | Pilot hole diameter in mm (Ø -0,1) | Thread length in mm (l2) |
|---|---|---|---|---|---|---|
| M5 | 12.00 | 2.10 | 3.30 | 0.80 - 2.00 | 5.35 | 10 / 12 / 16 / 20 / 25 |
| M6 | 12.00 | 2.10 | 3.50 | 0.80 - 2.00 | 6.35 | 12/ 16 / 20 / 25 / 30 |
| M8 | 16.00 | 2.80 | 4.50 | 0.80 - 2.00 | 8.50 | 16 / 20 / 25 / 30 / 35 / 40 |
| M10 | 20.00 | 3.50 | 5.30 | 1.00 - 2.00 | 10.50 | 20 / 25 / 30 / 35 / 40 / 45 / 50 |
| M12 | 22.00 | 4.50 | 6.20 | 1.00 - 2.00 | 12.50 | 20 / 25 / 30 / 35 / 40 / 45 / 50 |
Tolerances according to ISO 2768-m.
| Thread | Material | Sheet thickness (mm) | Push-out force (kN) | Torsional strength (Nm) |
|---|---|---|---|---|
| M6 | Steel | 1.00 | 1.00 | 13 |
| M6 | Steel | 1.50 | 1.10 | 15 |
| M6 | Steel | 2.00 | 1.20 | 15 |
| M8 | Steel | 1.00 | 1.20 | 20 |
| M8 | Steel | 1.50 | 1.30 | 28 |
| M8 | Steel | 2.00 | 1.40 | 37 |
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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Application and function
Suitable for: Insertion in metal sheets with tensile strength less than 600N/mm². It can be used in galvanized, painted metal sheets
Sheet metal bottom: Embossing on sheet metal around the thread
Pilot hole preparation: Pre-punched pilot hole according to AUTORIV specifications, for thin sheets additional embossing
Die: Use of an die with embossing collar
Installation: Embossing die moves and shapes the material into the collar undercut
Outer diameter - pull through force: Large head diameter, also suitable for aluminum applications, good pull through force
Under-head serration - torque: Narrow lengthwise under-head ribs for high torque absorption
Collar - push-out force: Collar with undercut to provide push out forces
Highlights
- No diversity, less stock requirement
- No risk of mix-up (Incorrect fasteners in incorrect application)
- (Re-)use of existing automation / tooling, thus reduction of investment
Greater compensation possible with custom design, possible with suitable AUTORIV thread end
- Ensuring optimal pressing: No "Not-OK pressings" with risk of subsequent complaints and quality costs
- No frequent re-teaching of the robot necessary
- Ensuring high availability and output, thus cost reduction
