Headform : Hexagon

Drive : Hexagon

Thread : fully threaded

Material : Steel

Material execution : case-hardened

Surface : As per  Requirements

Hardness : As  Per Requirements

Standard : DIN 7513 A, ~ČSN 021226-9

Assembly notice                                 

1. Drill or die-cast the pilot hole
2. The screw cuts its own internal thread in the pilot hole
3. The self cutting screw is tightened. The pilot hole depth must be aligned (chips)
4. After the self-tapping screw is removed, the internal thread is clearly visible

Warnings : ISO 4042

Quenched and tempered fasteners

≥ 360 HV and tempered case-hardened fasteners with electroplated coatings: Susceptible to hydrogen embrittlement!

Further notice to residual risks can be found in the introduction section.