Double Threaded Screws

Couch bolts, hanger bolts, headless hanger bolts, double end screw bolts. They have threads at each end like a typical stud—machine threads to accept a nut or thread into an internally threaded (tapped) hole but, at the other end, lag threads to screw into wood.

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Detailed Description for Double Threaded Screws

Hanger screws are also known as:  couch bolts, hanger bolts, headless hanger bolts, double end screw bolts. They have threads at each end like a typical stud—machine threads to accept a nut or thread into an internally threaded (tapped) hole but, at the other end, lag threads to screw into wood. 

 

Application: Hanger screws are studs used to attach items to or suspend objects from wood. 

The furniture industry uses them with corner brackets, clinch nut plates, tee nuts and whenever wood and machine threads are needed in a single fastener. Coupling nuts and threaded rod are often used with hanger screws to suspend electrical conduits, junction/pull boxes, fixtures and sheet metal. 

 

Threads are standard right-hand.

 

 

 

 

 


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