Depending on the design the following types of bolts can be distinguished:
- M1 wedge bolt applied at pretension of up to 60 kN
- W1 wedge adhesive bolt at pretension of up to 100 kN
- W2 cylindrical adhesive bolt at pretension of up to 80kN
Application conditions – according to BN-78/0436-03 standard - "Bolts"