ACN Clinch Nut

for automated feeding and processing

acn clinch nut sheet thickness 2mm steel aluminum m6 m8 m10 m12

ACN clinch nut for conventional performance requirements. It is used for a wide variety of clamping ranges and materials. 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 - M5, M6, M8, M10, M12

Workpiece material - Steel, aluminum, copper, magnesium

Outer diameter - Medium

Pull-through force - High

Torque - Very high

Push-out force - High

acn clinch nut dimensions drawing technical parameters
Thread (d3)Outer diameter in mm (d1)Collar diameter (d2)Height (l1)Max. collar height (l2)Pilot hole diameter in mm (Ø -0.1)Min. sheet thickness in mm (s)
M511.307.614.191.837.812.00
M614.108.614.711.838.812.00
M816.6010.606.051.8510.752.00
M1018.4213.097.201.8513.242.00
M1223.8815.619.611.8515.762.00

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.

ThreadMaterialSheet thickness (mm)Push-out force (kN)Torsional strength (Nm)
M5Steel2.01.6837.00
M6Steel2.02.5721.04
M8Steel2.02.4141.94
M8Steel2.34.5854.23
M10Steel2.34.1618.85
M10Steel3.44.2865.65
M12Steel2.34.7575.39
M12Steel3.47.66124.32

These values are for orientation only and are not binding. 

Tests were conducted in steel H320 LA.

Thread proof loadPitch x threadThread toleranceThread coating as an optionSurface finishPVT as an option
according to class 100.8 x d6G, 6HNycote, PrecoteAll surfaces possibleYes

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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: Medium outer 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

cross section of the acn clinch nut in sheet metal
Cross section - ACN clinch nut in sheet metal

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

  • 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

Processing Technology