Semi-finished Furniture, Hardware Parts and Accessories | Metal Parts, Fittings, and Accessories:

base dia. 40MM，stem thread:5/16”-18SX1“ ，stem finish: zinc plated.

base dai. 1", stem size:1/4”-20SX1“

fit for 5/8" tube O.D., stem threaded 1/4"-20S, tube 16/18GA ( 1.2-1.5mm thickness), color: zinc plated

fit for 1" tube O.D., stem thread 1/4"-20S, 5/16"-20S or 3/8"-20S, tube 16/18GA ( 1.2-1.5mm thickness), color: zinc plated

fit for 1-1/2" tube O.D., stem thread 1/4", 5/16" and 3/8", tube 16/18GA ( 1.2-1.5mm thickness), color: zinc plated