What are Tungsten Bucking Bars?

Bucking bars are solid pieces of tungsten made in a multitude of different shapes and sizes. They are made from tungsten heavy alloy used in aircraft, manufacturing processes in conjunction with pneumatic riveting tools to set rivets.

What are Tungsten Bucking Bars used for?

Tungsten bucking bars are used in the process of “setting” or “driving” rivets in aircraft, and various manufacturing industries to fasten, primarily aluminium and steel sheet metal components together.

How to use Tungsten Bucking Bars.

Tungsten bucking bars are used by placing the smooth end surface of the bar up against the “bucktail” or end of a rivet fastener. Then when in place, a pneumatic riveting tool is used to apply pressure through multiple hits on the head of the rivet, while the tungsten bucking bar is forced (by hand) against the rivet bucktail portion which in turn “smashes” or “sets” the rivet in place, filling the drilled hole it was placed in and securing the fastener in place and making the components rigidly connected.

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