This screw is approximatly 17mm high by 10mm wide.
Brass Wood Nipple 1/2" Thread For Wood Table Lamp Bulb Base *UK Supplier*
Brass Lamp Holder Switched - Bayonet BC - 1/2" Bulb Holder & Wood Nipple *UK*
Brass Lamp Holder UN Switched 1/2" - Bayonet BC Bulb Holder & Wood Nipple *UK*
Jeani Brass Lamp Holder Switched Bayonet BC Bulb Holder 1/2" & 1/2" Wood Nipple
2 x 1/2" Diameter Brass Tube Nipple 1" or 1 1/2" length 26tpi Allthread
10x Brass Ceiling Batten Shade Ring 50mm Fixing BC B22 Bayonet Lamp Holder
