Variant with left-hand thread. The basic and most widespread class in the market in a refined state, it is used wherever lower classes of strength are no longer sufficient. Suitable for joints subjected to high loads, often recommended for friction joints with controlled tightening. With its strength, it can easily replace lower classes when using a smaller size. Guarantee of notch toughness min. 27J at -20°C. Strength class 8.8 can be galvanized in most cases. The possibility of hot-dip galvanizing limits the chemical composition. Made of carbon or alloy steel, hardened and tempered.
Choose the appropriate version of the bar according to the strength class and surface finish that ensures its protection.VIEW PDF WITH DESCRIPTION OF THE DIVISION
For easy differentiation of strength classes (according to EN ISO 898-1), select threaded rods and bolts according to the approved colour marking.SHOW PDF WITH COLOUR CODING
We check our products in detail both in terms of quality and material composition and thread quality. We will advise you on how to check the processing.
We are Europe's leading manufacturer of customised fasteners. Choose the materials and their quality according to your needs. Send a drawing or ask for partial production.MORE ABOUT CUSTOM PRODUCTION