Du-Bro 336 4-40 Threaded Coupler (2-Pack)

Since 1959, the Broberg family has owned and operated DU-BRO Products, Inc. During that time, the company has grown from a single product, to 4 companies in three industries, offering more than 1,200 items. Innovation and reliability has been synonymous with DU-BRO for all these years and coupling that with great customer service and a knowledgeable, helpful staff, has made DU-BRO a staple line in all the industries they have taken on.