Resistant screws according to EN14399-4 System HV

Pre -tensioned with HV system for use in steel structures with friction, pre -tension and critical slip with nuts and washer

Hexagon steel screws

Six -Ear steel steel jaches based on ISO4014 - ISO4017 in Grade 8.8 and 10.9

Screws and steel parts

Special steel screws and parts according to the map that can be produced by cold forms.

Tension Control Bols

Holt in installation, economic advantages and ensuring pre -tensioning force by cutting the TC Bolts fuse tip to give up additional trust in structural connections executives