Prevailing torque type hexagon nut with non-metallic insert DIN 985 Steel ZincFlake |10|12306
Prevailing torque type hexagon nut with flange, all metal UNC ASME B18.16.6 Steel Gr.G 3/8-16U12120.037.0001
Prevailing torque type hexagon nut with non-metallic insert, style NTM/NTE, UNC ASME B18.16.6 Steel Zinc plated Gr.N2 3/8-16U12423.037.0001