Ultra-bright Dimmable LED Bulb E27/B22-220V Thread 3W White Warm Light No Flicker Energy-saving Lamp Bedroom Lamp - AliExpress
Lamp holder E27, screw thread M10x1, 52mm, black | 257.000027-0410
Close shot of glass incandescent light bulb cap with E27 / Edison Screw 27mm thread fitting. For illuminating, UK lighting industry, lighting abstract Stock Photo - Alamy
Thread adapter thread bulb socket E27 to E14 - Cablematic
9w Cool White Led Bulb For Lighting, With Gu10 Spotlight, 220v Corn Lamp, Mr16 Tube Lamp, Built-in Lamp Cup, E27 Thread, E14 Small Screw, Energy Saving, Eye-protective, Suitable For Gu5.3 Indoor Lighting,
E27 Mount for Prizmo Globe RGBW+T LED Light – Fotodiox, Inc. USA