DS EN 2862:2009 Aerospace Series - Nuts, Anchor, Self-Locking, Fixed, 90 Degrees Corner, With Counterbore, In Alloy Steel, Cadmium Plated, Mos[2] Lubricated - Classification: 1100 Mpa (At Ambient Temperature)/235 Degrees C Defines the characteristics of 90 degrees corner, counterbored, fixed, anchor nuts, with a self-locking feature achieved by forming the upper portion out-of-round, in alloy steel, cadmium plated, MoS[