Published
This standard specifies the characteristics of bolts, normal hexagonal head, coarse tolerance normal shank, medium length thread, in heat resisting nickel base alloy, aluminium IVD coated.
Classification: 1 250 MPa ) / 425 °C )
PUBLISHED
SRPS EN 4131:2012
90.93
Standard confirmed
Jan 21, 2025
PROJECT
naSRPS EN 4131:2025