What is BS EN 4128 - Hexagonal head bolts about?
BS EN 4128 is a European standard on aerospace series that covers normal hexagonal head bolts with a coarse tolerance shank and short thread in heat resisting nickel base alloy.
BS EN 4128 specifies the characteristics of bolts, normal hexagonal head, coarse tolerance shank, short thread, in heat resisting nickel base alloy, aluminium IVD coated.
Who is BS EN 4128 - Hexagonal head bolts for?
BS EN 4128
BS EN 4128:2016 history
2016BS EN 4128:2016 Aerospace series. Bolts, normal hexagonal head, coarse tolerance shank, short thread, in heat resisting nickel base alloy, aluminium IVD coated. Classification: 1 250 MPa (at ambient temperature) / 425 °C
2009BS EN 4128:2009 Aerospace series - Bolts, normal hexagonal head, coarse tolerance normal shank, short thread, in heat resisting nickel base alloy, aluminium IVD coated - Classification: 1250 MPa (at ambient temperature) / 425 °C