Aerospace series. Screws, pan head, offset cruciform recess, threaded to head, in corrosion resisting steel, passivated. Classification: 490 MPa (at ambient temperature) / 425 °C not-for-sale Therefore this standard specifies requirements

Therefore this standard specifies requirements and test methods for the durability

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This part of BS 3900 tabulates the standards available for testing paints and varnishes

Aerospace series. Screws, pan head, offset cruciform recess, threaded to head, in corrosion resisting steel, passivated. Classification: 490 MPa (at ambient temperature) / 425 °C not-for-sale Therefore this standard specifies requirements1 Scope This standard specifies the characteristics of screws, pan head, offset cruciform recess, threaded to head, in corrosion resisting steel, passivated, metric. Classification: 490 MPa 1 425 C 2