Thread Size: M4 x 12mm; Pitch: 0.7mmLength: 12mm/0.47". Drive Type: External Hex; Hex Width: 7mm / 0.28". Package Content: 20pcs x Hex Coupling Nut. Made of 304 stainless steel, sturdy and durable, can adapt to various indoor and outdoor environments.. APPLICATION: Used with a threaded rod, the coupling nut joins a 2-piece of the threaded rod together from opposing ends for hanging various items either vertically or horizontally..
