ACNS Clinch Stud
for automated feeding and processing
Clinch stud / screw for conventional performance requirements and suitable for thick metal sheets. In use at Heavy Trucks OEMs in the USA. Widely used at Tier1 level.
Sheet thickness - Used for metal sheets with thicknesses from 2mm upwards without limitation
Thread size - M5, M6, M8, M10, M12
Workpiece material - Steel, aluminum, copper, magnesium
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) | 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 |
| 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 |
| 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.
Special design - We adapt a wide range of parameters relating to the area of application, geometry, properties and surface to meet your requirements.
| Thread | Material | Sheet thickness (mm) | Press-in force (kN) | Push out force (kN) | Torsional strength (Nm) |
|---|---|---|---|---|---|
| M5 | Aluminum | 2.0 | 13.00 | 0.80 | 5.4 |
| M5 | Steel | 2.0 | 26.00 | 1.50 | 7.6 |
| M6 | Aluminum | 2.0 | 29.00 | 1.27 | 14 |
| M6 | Steel | 2.0 | 33.00 | 1.75 | 14 |
| M8 | Aluminum | 2.3 | 35.60 | 1.70 | 30 |
| M8 | Steel | 2.3 | 44.50 | 2.20 | 30 |
| M10 | Aluminum | 2.3 | 40.00 | 2.44 | 36 |
| M10 | Steel | 2.3 | 54.00 | 3.47 | 49 |
These values are for orientation only and are not binding.
Tests were conducted in steel H320 LA and aluminum EN AW-5754.
| 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: Flat without indentation, optimal fastening characteristics (clamping with a large surface area)
Pilot hole preparation: Pre-punched pilot hole according to AUTORIV specifications
Die: Use of a flat die (optimal downtimes)
Installation: Torque absorbers move and shape 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: Strong under-head ribs for high torque absorption
Collar - push out force: Collar with undercut to provide push out forces
Highlights
Lower risk of warping of workpieces, especially with many setting positions
- Lower risk of warping of work pieces
- Flat sheet metal bottom with largest surface possible for the preload through tightening
- 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
- The stud lines up precisely with the position of the pilot hole due to the run-in phase at the undercut (very narrow position tolerances possible)
- Easier positioning compared to studs that are placed in narrow pilot holes
- Lower chip formation due to abrasion of the thread on the edge of the pilot hole
