COFRESA bolts have a stamped head, which gives them greater strength and life. There are different types of bolt depending on the clamping measurements of each bolt.
Codes and standard items:
|From 10 to 15 MM
|It serves to join Light Range panels for its head profile , allowing to make pillars up to 4.5Mt height
|From 15 to 25 MM
|It serves to join two Light Range panels joining the female profile of both (the side where there is no bolt welded), so you can get other less common pillar measures
|From 25 to 35 MM
|It serves to join two panels through the series of holes for assemblying usual pillars and also joins the male part of a panel with the female part of the other panel, so replace the welded bolts to the panel.