2014PREN 4128-2014 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 (Edition P 3)
1999PREN 4128-1999 Aerospace Series Bolts@ Normal Hexagonal Head@ Coarse Tolerance Normal Shank@ Short Thread@ in Heat Resisting Nickel Base Alloy@ Aluminium IVD Coated Classification: 1 250 MPa (at Ambient Temperature)/425 Degrees C (Edition P 2)
1994PREN 4128-1994 Aerospace Series Bolts@ Normal Hexagonal Head@ Coarse Tolerance Normal Shank@ Short Thread@ in Heat Resisting Nickel Base Alloy@ Aluminium IVD Coated Classification : 1 250 MPa (at Ambient Temperature) / 425 Degrees C (Edition P1)
1993PREN 4128-1993 Aerospace Series Bolts@ Normal Hexagonal Head@ Coarse Tolerance Normal Shank@ Short Thread@ in Heat Resisting Nickel Base Alloy@ Aluminium IVD Coated Classification : 1 250 MPa (at Ambient Temperature)/450 Degrees C (Edition P1)