Cite
MLA Citation
British Standards Institution,. Nuts, bihexagonal, self-locking, deep counterbored, in heat resisting steel FE-PA92HT (A 286), silver plated. Classification: 1100 MPa (at ambient temperature)/650°C.. London : British Standards Institution, 1995. http://access.bl.uk/ark:/81055/vdc_100104519788.0x000001