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Pullout strength HST3

almost 2 years ago
Pullout strength HST3

Hi,

I am calculating some anchor with Hilti Profis.
I am using M20 HST3, but when I am checking the report the NRk,p=35 kN, but in the ETA/bipt documentation the NRk,p is different for M20.

What is correct here?

//Andreas

hst3,Pullout

1 Reply
Posted by Hilti Employee (hultkri)almost 2 years ago
Hilti Verified

Hi and thank you for your question.

The HST has been through some generational changes where the HST is the first generation of this anchor and what is shown in your screenshot from the ETA. Looking at the HST3 that is the recent generation of HST is the one you have chosen in the calculation software and has an improved pull-out resistance compared to the older generation.
This technical data is provided under Table C2 in the same ETA (ETA-98/0001).

Please let us know if you have any further questions.

hst3,ETA