Prevailing torque type hexagon nut with non-metallic insert, style NM/NE, UNC ASME B18.16.6 Stainless steel ASTM F594 304 CWU51738
Hexagon connection nut H=3xD Stainless steel A8 (1.4529)52106
Wing nut (Toggle nut) DIN 80701 Stainless steel A4 7055792