BS EN 4128:2016 specifies the characteristics of bolts, normal hexagonal head, coarse tolerance
shank, short thread, in heat resisting nickel base alloy, aluminium IVD coated.Classification: 1,250 MPa¹) / 425 °C²).Cross References:EN 2424EN 6118EN 9100EN 9133ISO 3193ISO 3353-1ISO 5855-2ISO 7913ISO 9154MIL-DTL-83488All current amendments available at time of purchase are included with the purchase of this document.