Stud bolts made from stainless austenitic steel with strength class A4-70 and nominal thread diameter d ≥ 5 mm, to be identified on one face as steel grade A4. As an alternative to the specified designation, stud bolts can be made identifiable on one end with the colour flame red (RAL 3000).
Select RAL-colour code
!! NOTE: On-screen visualisation of the colour differs from real colour shade!!