https://eurobolt.com.pl/en/product/din-525-pn-82416-screw-ends-for-welding/
DIN 525 / DIN 34828 / PN 82416 Screw ends / Partially threaded rods - EUROBOLT
Screw ends / Partially threaded rods Standards DIN 525 / 34828 PN 82416 ISO - Material and class: 3.6 / A2 / A4 Coating: -
partially threadeddinpn
https://www.mrweb.com/drno/news34828.htm
Daily Research News Online no. 34828 - OpinionWay Expands Luxury Offer with Three Hires