Insulation washer insulation grain insulator washer To-220 M3-M10 insulated Cap fasteners screw

Insulation washers/insulator To-220 M3 ->M10 Descrption:Insulating grain is an insulating material that is used with heat dissipation gaskets for fastening screws and heating components.

The insulation of metal sheets is locked on the transistor to avoid short circuits between the crystal shell and the heat sink. It is used for fastening screws.

Insulation from the metal sheet of the heating component to prevent static electricity.