Steel frames
Alloy steels
Chemical-resistant coatings
Nuts
Mechanical components
Link: BS EN 2878:2018 Aerospace series. Nuts, anchor, self-locking, air resistant, sealing, floating, two lug, with counterbore, in alloy steel, cadmium plated, MoS2 lubricated. Classification: 900 MPa (at ambient temperature)/235 {$permalink}DC
Source: BSI Standards
